

Koisuru Asteroid
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Episodes (12)
EP 1Mira joins the merged earth sciences club after her astronomy club disappears
Jan 3, 2020During spring, Kinohata Mira experiences a significant shock upon entering high school and discovering that the astronomy club she had pledged to join no longer exists. As a child, she made a promise to a specific individual to discover an asteroid, a goal that became her primary dream. However, the school has now merged the astronomy and geology clubs into a single earth sciences club for the current year. Mira promptly joins this new group and enters the club room, where she encounters three distinct upperclassmen. The narrative focuses on her adjustment to this new environment and her continued pursuit of her childhood ambition within the restructured student organization.
EP 2The club hosts a riverside barbecue for new students, featuring rock hunting and stargazing activities.
Jan 10, 2020The club organizes a riverside barbecue to welcome new members, followed by a day of rock hunting and stargazing. Afterward, they begin working on their activity report. While other members choose themes for their articles, Mira struggles with her own writing. Although she completes a draft, her older sister Misa criticizes it, stating that Mira’s true personality is missing from the text. When Ao requests an illustration for her article, Mira faces a decision regarding her contribution to the project.
EP 3Mira and Ao study for make-up exams then work at Suzuya's Bakery before spotting Suzu with Ino-sempai
Jan 17, 2020Mira and Ao must retake exams, prompting a joint study session at Mira's residence with Suzu and Misa present. Upon successfully passing these tests, the pair secures their initial part-time employment at Suzuya's Bakery. After earning their first wages, they embark on a date near the station. During this outing, they unexpectedly observe Suzu walking alongside Ino-sempai. Finding this combination surprising, the duo decides to secretly trail the pair to understand the situation better.
EP 4An Exciting Summer Camp Adventure for the Students
Jan 24, 2020The students visit the Geological Museum and JAXA during their summer camp. Sakura shows unusual excitement while examining various minerals and fossils, which causes Ino to become excited by her reaction. Meanwhile, Monroe, Mira, and Ao focus their enthusiasm on rockets and artificial satellites. Mira and Ao attempt to gather information about asteroid discovery by asking various people, but they fail to find any useful clues. The group later enjoys a barbecue and stargazing session at the home of Endou-sensei's grandparents. During this time, their teacher uncovers something significant.
EP 5Mira and friends enjoy beach time while Sakura struggles with exam motivation
Jan 31, 2020At Suzu’s suggestion, Mira, Ao, and Ino visit the beach, leading to a playful competition between Suzu and Ao to determine who is Mira’s best friend. On another occasion, Mira and Sakura attend a mineral show together. Sakura expresses great excitement over the various stones but confesses she lacks motivation to study for her entrance exams, as she remains undecided about her future goals. Following the conclusion of summer break, the group begins their preparations for the upcoming cultural festival.
EP 6The Earth Sciences Club Prepares for the Cultural Festival with a Geocafe
Feb 7, 2020Members of the earth sciences club focus on preparations for the upcoming cultural festival. Sakura and Ino conduct a tedious geological survey within the schoolyard. In contrast, Mira, Ao, and Monroe work diligently to construct a solar system replica at Mira's residence. When the festival day arrives, Suzu assists the earth sciences club in opening their geocafe. All club members participate in the event while wearing maid outfits, marking the culmination of their efforts to present their unique attraction to the school community.
EP 7Mira, Ao, and Ino lead the new earth sciences club while preparing for a children's star-viewing lecture.
Feb 21, 2020Monroe and Sakura retire, leaving the earth sciences club to be run by Mira, Ao, and Ino. To help Ino build confidence as president, the trio agrees to host a lecture for a children's star-viewing event. Mira and the others face difficulties in engaging the uncooperative children in the activity. The following morning, Ao is absent from school after watching the Orionid meteor shower. Concerned by her disappearance, Mira and Ino visit her home to check on her well-being, but the situation takes an unexpected turn. The group must navigate these challenges while managing the club's new responsibilities and supporting Ino's leadership development amidst the mystery surrounding Ao's absence.
EP 8Ino challenges herself in the Earth Science Olympiad while the club celebrates the holidays.
Feb 28, 2020Ino decides to challenge herself by participating in the Earth Science Olympiad, marking her first real step forward as club president. As the second semester comes to an end, the club celebrates Christmas and New Year's together around a warm hot pot followed by star gazing. Yet as they are excitedly looking up at the winter diamond, Ao suddenly begins to cry. She says everything is all right, but the situation suggests otherwise, leaving the group to wonder about her sudden emotional reaction during their festive gathering.
EP 9Mira and Ao secure living arrangements while Sakura prepares chocolates for Valentine's Day.
Mar 6, 2020Mira and Ao successfully persuade their families to allow Ao to reside with Mira, thereby avoiding a school transfer. As Valentine's Day approaches, Sakura enlists Suzu's help to create her first batch of homemade chocolates intended for distribution among Earth Sciences Club members. The narrative shifts focus when Suzu discovers that Misa is set to attend a university located far away, introducing a new emotional layer to the group's dynamic during this festive period.
EP 10Chikage Joins Earth Sciences Club With Mira's Barbecue Welcome Plan
Mar 13, 2020Nanami and Sakura's younger sister, Chikage, decides to join the Earth Sciences Club. While Chikage intends to join the geology group like her sister, Nanami expresses a desire to learn more about meteorology and notes that the club is currently lacking in that area. Mira, aiming to ensure the new members have enjoyable experiences, recalls activities from the previous year and proposes hosting a barbecue to welcome them. This suggestion is made with the intention of fostering a fun atmosphere for the newcomers as they integrate into the club's activities and social dynamics.
EP 11Ao joins as observer for the Shining Star Challenge amid cloudy skies
Mar 20, 2020Ao receives permission to participate as an observer, allowing the Shining Star Challenge to commence. The schedule features visits to various observatories before nightfall initiates the asteroid search using telescopes. Ao works alongside group members Tomori and Makita during this process. However, the weather conditions deteriorate as the skies become cloudy, potentially hindering their astronomical observations and the progress of the challenge activities they had just begun.
EP 12The Shining Star Challenge continues under clear skies as the team searches for celestial anomalies.
Mar 27, 2020On the second day of the Shining Star Challenge, the sky remains cloudless, providing ideal conditions for observation. While reviewing photograph data, the group identifies a potential unknown astronomical object. Recognizing this as their final opportunity, they decide to capture another set of images. Tensions escalate as the stakes grow higher. Mira and Ao subsequently examine the new photos alongside their group members, Tomori and Makita, to verify the findings and determine the next steps in their quest.
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Frequently asked questions
- How many episodes does Koisuru Asteroid have?
- Koisuru Asteroid has 12 episodes.
- When did Koisuru Asteroid come out?
- Koisuru Asteroid came out in 2020.
- Which studio made Koisuru Asteroid?
- Koisuru Asteroid was produced by Doga Kobo.
- Who directed Koisuru Asteroid?
- Koisuru Asteroid was directed by Takeshi Takadera.
- Is Koisuru Asteroid finished?
- Current status of Koisuru Asteroid: Finished.













