

Chocotto Sister
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Episodes (24)
1EP 1Haruma receives a girl claiming to be his sister and names her Choco.
Jul 12, 2006College student Haruma is surprised when a girl arrives at his apartment claiming to be his sister. He decides not to evict her and gives her the name Choco because she frequently consults her guide book, with chocotto meaning manual in Japanese. Haruma then takes Choco to the mall to purchase clothing for her. However, the two become separated and lose sight of each other while inside the shopping center.
2EP 2The siblings visit a shrine for New Year's while new characters appear and Choco begins a diary.
Jul 19, 2006Yasuoka, Makoto, and the original landlady make their first appearance as the siblings go to a shrine for New Year's. Encouraged by the landlady, Choco starts her picture diary. This episode introduces these characters and marks the beginning of Choco's diary entries during the New Year's celebration.
3EP 3Chitose arrives at Tsubaki manor with help from Haruma and Choco after many mishaps
Jul 26, 2006Chitose, identified as the landlady's granddaughter and the new manager, travels toward Tsubaki manor. Her journey is marked by numerous mishaps that delay her progress. With assistance from Haruma and Choco, she overcomes these obstacles. The episode concludes with her successful arrival at the destination. The narrative focuses on her travel difficulties and the support provided by the other characters to ensure she reaches the manor.
4EP 4Chitose prepares a Valentine's gift for Haruma while Choco receives misinformation from Makoto.
Aug 2, 2006Tamami assigns Haruma to a special Valentine's Day job, prompting Chitose to plan a chocolate gift for him. This follows the tradition where girls give boys chocolates on Valentine's Day and receive gifts in return on White Day in March. Meanwhile, Choco receives misleading information about the holiday's meaning from Makoto. The narrative questions whether Haruma possesses precognitive dreams that might influence these events. The episode explores the cultural significance of the holiday through these intersecting character interactions and potential supernatural elements.
5EP 5Choco asks her brother to buy her underwear after seeing Chitose's laundry
Aug 9, 2006Choco observes Chitose’s laundry and persuades the manager to demonstrate how to wear intimate apparel. She then requests her older brother to purchase this item for her. Meanwhile, Makoto becomes intoxicated and causes embarrassment for Chitose. Despite this incident, Makoto successfully arranges for herself and Choco to be invited to lunch the following day. The events highlight the interactions between the characters regarding personal matters and social invitations, leading to a shared meal after the earlier awkwardness.
6EP 6Haruma Trades Goods for Movie Tickets and Choco Learns Bath Etiquette
Aug 16, 2006Tamami assigns Haruma a task compensated with merchandise, including T-shirts and tickets to a film premiere. Haruma invites Ayano, who admires the lead actor, to join him. Concurrently, Choco meets Kakeru for the first time. Later, the Kawagoes visit a public bath due to a water outage, where Choco encounters Kakeru again. During this visit, Midori teaches Choco the proper rules and etiquette for using public baths.
7EP 7Haruma's Date with Ayano Causes Emotional Turmoil for Choco and Chitose
Aug 23, 2006Haruma upsets Choco by taking Ayano on a date while leaving her behind. Chitose witnesses this outing and falls into a deep depression as a result. Meanwhile, Ayano faces her own romantic complications involving a young man who is soon moving to the countryside, issues unrelated to Haruma. Despite the initial conflict and sadness caused by his actions, Haruma eventually manages to partially restore his standing with both Choco and Chitose, though the resolution remains only partial. The episode explores the complex emotional reactions of the group to Haruma's social choices and Ayano's separate personal struggles.
8EP 8Haruma returns late with Ayano while Choco falls ill from waiting up for him
Aug 30, 2006Haruma arrives home later than expected after Ayano invited him out for drinks to help her cope with romantic troubles. He had to escort the intoxicated Ayano to her residence, which contributed to the delay. Meanwhile, Choco becomes sick after staying awake late into the night waiting for Haruma to return. Her condition causes significant alarm for her older brother, who is concerned about her health. The events highlight the consequences of the evening's activities on both Haruma's schedule and Choco's well-being, as she suffers from exhaustion and illness due to her vigil.
9EP 9Haruma visits Ayano after avoiding her, then buys flowers and a watering can with Choco.
Sep 6, 2006Haruma avoids Ayano following their night out but appears at her shop when Kazuya arrives to retrieve his ring. After Kazuya departs, Ayano shares details about her relationship with him. The following day, Ayano sends Haruma flowers as a gift. In response, Haruma goes shopping for a watering can accompanied by Choco. This sequence of events highlights the shifting dynamics between the characters, moving from avoidance to a more direct interaction involving gifts and shared activities. The narrative focuses on Haruma's actions and Ayano's revelations, setting the stage for further developments in their personal connections without revealing future plot points or outcomes.
10EP 10Choco, Haruma, and Chitose enjoy a hot spring trip after Makoto cancels.
Sep 13, 2006Choco wins a four-person hot spring trip while shopping with Chitose and decides to go with Haruma, Chitose, and Makoto. However, Makoto receives a work call at the train station and cannot join them. Upon arriving, Haruma briefly believes he sees Ayano but dismisses the sighting. Choco, Chitose, and Haruma check in as a family, with Chitose registering under the Kawagoe name. Haruma is dismayed to discover the bath is coed. He attempts to avoid the girls but becomes dizzy from staying in the water too long and staggers out, exposing himself to Choco and Chitose.
11EP 11Haruma struggles with sleep while Choco offers comfort before a hot springs hike
Sep 20, 2006Unable to sleep due to thoughts of Ayano, Haruma accepts a comforting gesture from Choco. The next day, the group visits the hot springs area for a sightseeing hike. During this outing, Haruma unexpectedly encounters Ayano. He engages her in conversation and successfully persuades her to persist with her romantic feelings rather than abandoning them. This encounter resolves the tension surrounding her emotional state, allowing Haruma to address the situation directly through personal interaction amidst the scenic surroundings.
12EP 12Haruma learns of Ayano's move and Choco runs away after writing a letter
Sep 27, 2006A rainstorm interrupts Haruma when Ayano calls to announce her relocation to the countryside with her fiancé. Observing Haruma's resulting depression, Choco seeks assistance from Chitose and Makoto. She decides to compose a letter to Ayano detailing Haruma's true feelings. Upon discovering this action, Haruma becomes furious, causing Choco to flee her home. Worried by her disappearance, Haruma eventually reads Choco's diary to understand the situation.
13EP 13Yurika escapes her chauffeur with Choco and begins a new friendship at Tsubaki manor
Oct 4, 2006Feeling bored with her daily routine, Yurika escapes from her chauffeur with the help of Choco. To explain her absence, she falsely claims she witnessed a murder and saw the perpetrator's face. The chauffeur eventually tracks them down, and Yurika returns with him. Later, she searches for Choco, knowing the cat's residence but not her name. Yurika accidentally finds Tsubaki manor and encounters Choco there. She is invited inside for a drink, marking the start of a new friendship.
14EP 14Haruma and Choco watch the Nekonyan Dance on TV before Choco joins children at a daycare
Oct 11, 2006While eating breakfast, Haruma and Choco watch the Nekonyan Dance on television. Choco later walks past a daycare where children are performing the dance. A teacher invites her to join them, and she participates. She remains for lunch and plays with the kids until most leave, except for a boy named Takeshi. Choco continues playing with him until his mother arrives to find both of them asleep. Later, Yurika calls to inform Choco that she is nearby.
15EP 15Haruma Becomes a Lifeguard at the Pool While Yurika Encounters a Dog Attack
Oct 18, 2006Tamami assigns Haruma a new job as a lifeguard at a pool, providing him with free entry tickets which he distributes to Choco and Chitose. Meanwhile, Yurika skips her English lesson to visit Choco, only to find the house empty and become annoyed. While passing time at a nearby park, she is attacked by a dog. Kakeru intervenes and saves her from the animal. These separate events unfold concurrently, with Haruma starting his duties and Yurika experiencing an unexpected encounter in the park. The narrative focuses on these specific daily occurrences without broader context.
16EP 16Choko attends her first summer festival and reunites with friends for fireworks.
Oct 25, 2006Choko eagerly anticipates her first summer festival but gets separated from Haruma and Chitose. She encounters Kakeru, followed by Yurika, who attends the commoner event with her maid. Yurika feels jealous observing Choko and Kakeru together. Eventually, the group reunites and they watch fireworks together.
17EP 17Yurika hosts a tea party for Kakeru but Choco brings other children instead
Nov 1, 2006Yurika develops romantic feelings for Kakeru and organizes a tea party to socialize with him. Unable to invite him directly due to shyness, she asks Choco to bring her friends. Yurika is disappointed when Choco arrives not with Kakeru, but with several children she befriended in episode 14. This unexpected attendance disrupts Yurika's plans to spend time alone with Kakeru, leaving her dismayed by the presence of the group rather than her intended guest. The event highlights Yurika's awkward attempt to connect with Kakeru through indirect means and the resulting misunderstanding regarding the party's attendees.
18EP 18Choko Assembles a Five-Person Team for the Nekonyan Dance Contest
Nov 8, 2006Choko aims to enter the Nekonyan Dance contest, but the rules require a minimum of five participants. To meet this requirement, she successfully persuades Haruma, Makoto, Chitose, and Yurika to join her team. Once the group is complete, they record a video of their dance performance and submit it for the competition.
19EP 19Idol Eriko Odawara Rediscovers Purpose After Skipping Performance and Meeting Makoto
Nov 15, 2006Eriko Odawara, known as Odaeri, grows weary of her daily Nekonyan Dance routine and skips a scheduled daycare appearance in Choco's neighborhood. She encounters Makoto, who is strongly implied to be the gravure idol Arisa Otokami, as both names are acronyms. This interaction helps Eriko realize the genuine significance of her work. Following this realization, she visits Choco's apartment to perform the Nekonyan Dance privately, reaffirming her commitment to her role as an idol.
20EP 20Choco Befriends an Escaped Puma Named Kuro Before His Tragic Death
Nov 22, 2006Following Haruma's refusal to purchase a pet, Choco forms a bond with an escaped puma that she names Kuro, which means black in Japanese. She visits the animal daily at his residence within an abandoned warehouse and introduces him to Kakeru and Yurika. Despite the developing friendship, the story ends tragically when Kuro is killed in a road accident. This narrative focuses on the brief connection between Choco and the wild animal, highlighting the joy of their interactions before the sudden and unfortunate loss of the puma.
21EP 21Haruma, Chitose, and Makoto take a grieving Choko to an amusement park to cheer her up.
Nov 29, 2006Following the death of Kuro, Choko remains deeply saddened. To help lift her spirits, Haruma, Chitose, and Makoto take her to an amusement park. There, Choko encounters a young girl claiming to have lost her mother. Choko spends the day helping the child search for her parent. Unbeknownst to Choko, the girl and her mother are actually the deceased daughter and wife of Mr. Yasuoka. The narrative focuses on Choko's efforts to assist the child amidst this hidden reality, highlighting the group's attempt to provide comfort through a day out at the park.
22EP 22Choco questions her existence after Haruma denies being her brother at the festival.
Dec 6, 2006Tamami convinces Choco to work at a maid café during Haruma’s college festival. While on duty, Haruma receives a call from his cousin, who is visiting town and wishes to meet him. When Choco approaches Haruma and his cousin, Haruma denies that Choco is his little sister. This rejection causes Choco to become distraught and question her own identity, putting her very existence in jeopardy. The source material does not mention how Haruma plans to explain this sudden sibling to his family or parents.
23EP 23Haruma must recall the missing Choco despite his significant distress
Dec 13, 2006Haruma faces considerable consternation regarding the disappearance of Choco. It falls upon him to remember Choco. The situation causes him significant distress as he attempts to recall the missing individual. This task proves challenging for Haruma, who must rely on his memory to resolve the issue. The narrative focuses on his internal struggle and the urgency of retrieving Choco from his mind. No other characters or locations are mentioned in this brief account of the event. The core conflict revolves entirely around Haruma's obligation to remember Choco amidst his personal turmoil.
24EP 24Choco distributes presents while a surprise guest arrives at the Christmas party
Dec 20, 2006Choco is responsible for delivering the Christmas gifts to the attendees. The narrative focuses on the ongoing Christmas party event. A key element of the gathering involves the arrival of an unexpected visitor. The identity of this surprise guest remains a central point of interest for the characters present at the celebration. The episode centers on the exchange of presents and the reactions to the unannounced arrival during the holiday festivities.
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Frequently asked questions
- How many episodes does Chocotto Sister have?
- Chocotto Sister has 24 episodes.
- When did Chocotto Sister come out?
- Chocotto Sister came out in 2006.
- Which studio made Chocotto Sister?
- Chocotto Sister was produced by Nomad.
- Who directed Chocotto Sister?
- Chocotto Sister was directed by Yasuhiro Kuroda.
- Is Chocotto Sister finished?
- Current status of Chocotto Sister: Finished.









