

Haiyore! Nyaruko-san
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Episodes (12)
EP 1Mahiro Yasaka is protected by Nyarlathotep who moves in as his relative and wife.
Apr 10, 2012Mahiro Yasaka lives a quiet life until Nyarlathotep, appearing as a silver-haired girl, saves him from a wicked alien. She explains her lineage and the universe of H. P. Lovecraft, declaring herself his protector because entities like Nyarlathotep find him and Earth attractive for entertainment, auction, or slavery. She forcefully moves into his home, bringing more trouble than expected. When Mahiro finds the situation too bothersome, Nyarlathotep transfers to his school under the name Nyaruko Yasaka, posing as both his relative and his wife. This arrangement complicates his daily existence significantly as she integrates herself into his personal and academic life under false pretenses.
EP 2Nyaruko confronts rivals in R'lyeh and returns to Mahiro after a dimensional battle.
Apr 17, 2012Nyaruko plans to invade the R'lyeh headquarters, disguised as a theme park, to defeat the culprit. Upon entering a black castle within an arena, she meets Nodens, the boss. She is also confronted by Cthugha, known as "The Living Flame," her sworn rival from her past. During a fight in another dimension, Cthugha reveals complex feelings for Nyaruko, which annoys her. Nyaruko transforms into black armor and returns through a box she gave to Mahiro. Nodens is cornered and claims Mahiro was chosen for a TV drama, ordering Nyaruko to punish him. However, Nyaruko stays with Mahiro due to her infatuation with him.
EP 3Mahiro faces Nyaruko's advances, Kuuko's arrival, and Nyaruo's failed nightgaunt revenge.
Apr 24, 2012Mahiro continues to endure Nyaruko's persistent flirting, adding to his daily troubles. The situation worsens when Cthugha transfers into their classroom under the nickname Kuuko, further increasing Mahiro's inconvenience. Meanwhile, Nyaruo, Nyaruko's hopeless older brother, attempts to seek revenge by sending nightgaunts against Mahiro. However, this retaliatory effort proves unsuccessful, leaving the threat unresolved. The episode focuses on Mahiro's ongoing struggle to maintain peace amidst these supernatural disturbances and unwanted attention from his classmates and Nyaruko's family members.
EP 4Yoriko returns to reveal secrets while Hastur arrives on Earth seeking help for his father.
May 1, 2012Mahiro's mother, Yoriko, returns and encounters Nyaruko and Kuuko at their location. She subsequently reveals a secret to her son, Mahiro, during this reunion. In a separate development, a young boy named Hastur, also known as Hasuta, travels to Earth. He arrives with the specific intention of finding an individual who can assist his father. The reasons behind his father's need for help remain unknown at this time. This sequence of events introduces new interpersonal dynamics between Mahiro and his mother while simultaneously establishing Hastur's mysterious mission on Earth.
EP 5Mahiro and Hasuta travel to R'lyeh to rescue Yoriko and Kuuko from a mysterious kidnapper.
May 8, 2012Hasuta and Mahiro meet and discover that the person Mahiro seeks is his mother. Meanwhile, Yoriko is abducted by a mysterious woman for an unknown reason, and Kuuko is coerced into assisting her. Mahiro, Nyaruko, and Hasuta depart for R'lyeh once more to save their friends. During the journey, Mahiro and Hasuta experience several awkward interactions. They navigate an underwater submarine, avoiding various obstacles to reach their destination. The group aims to rescue the kidnapped individuals while dealing with the challenges of their underwater travel.
EP 6Nyaruko fights Kuuko while Mahiro discovers his mother was kidnapped for her gaming expertise.
May 15, 2012Nyaruko engages in combat with Kuuko while Mahiro uncovers that his mother, Yoriko, was abducted by Luhy Distone. Distone intends to exploit Yoriko’s proficiency with game consoles to generate entertainment for her company. Additionally, Hasuta’s father, who operates a rival gaming firm in space, also sought Yoriko’s services. The situation proves more complicated than initially apparent. Consequently, Hasuta chooses to enroll in Mahiro’s school. Following these events, the group visits a beach and hot springs, where Nyaruko attempts to seduce Mahiro once again.
EP 7Nyaruko receives permission to date Mahiro but faces rejection after being too clingy.
May 22, 2012Yoriko grants Nyaruko permission to date Mahiro, acknowledging her efforts in saving them before their trip. However, Nyaruko becomes overly clingy, causing Mahiro to snap and reject her. Feeling guilty about his harsh words, and after Yoriko encourages him, Mahiro offers to take Nyaruko on a date. The pair eventually meet at the beach as the sun sets, attempting to reconcile their relationship after the earlier conflict. This sequence highlights the tension between Nyaruko's affection and Mahiro's discomfort, leading to a moment of connection under the evening sky.
EP 8Mahiro Trapped in a Dating Sim After Nyaruko's Confession
May 29, 2012Following Nyaruko's sincere confession of love on the beach, Mahiro experiences a mental haze while the group shops for souvenirs. Inside one of the stores, he discovers a strange game console. Upon powering it up, Mahiro becomes trapped inside a dating simulation where he serves as the main character. To escape this virtual world, he must achieve a positive ending by romancing one of four specific characters: Nyaruko, Tamao Kurei, Cthugha, or Hasuta. The narrative indicates that the scenario involving a kiss between Mahiro and Nyaruko serves as the flag for returning to reality, though Mahiro retains no memory of the events that transpired within the game.
EP 9Mahiro and Nyaruko swap bodies via Dreamland representative Isuka who seeks help against extremists.
Jun 5, 2012A representative from Dreamland causes Mahiro and Nyaruko to switch bodies. Isuka, currently inhabiting Tamao's form, asks Nyaruko for assistance in locating an enemy group known as the extremists. The following day, the entity in Mahiro's body utilizes the situation to its advantage. This individual openly declares romantic feelings for Nyaruko in front of their entire class. The narrative focuses on the immediate aftermath of this accidental transformation and the subsequent public confession, highlighting the confusion and complications arising from the body swap orchestrated by the Dreamland agent.
10EP 10Nyaruko and allies battle a future enemy threatening Earth while Takehiko Yoichi is controlled by an extremist.
Jun 12, 2012A future adversary attempts to destroy Earth, forcing Nyaruko and her companions to fight under specific circumstances. Takehiko Yoichi, who is being controlled by an extremist, inadvertently invents a device intended to destroy Earth's entertainment industry. The extremist believes this entertainment violates the decency law for children. Nyaruko eventually regains her physical form and defeats the enemy. Although the situation returns to normal, the school remains concerned about the awkward deeds that occurred during the conflict. The narrative focuses on the resolution of the threat and the lingering social awkwardness faced by the characters after the battle concludes.
11EP 11Mahiro deals with Nyaruko's kiss and protects a lost deity girl from Shoggoths
Jun 19, 2012Mahiro struggles to maintain a quiet life after Nyaruko attacks him with a kiss. His situation worsens when Yoriko leaves a wealthy, lost deity girl named Ghutatan and her butler Lloigor at his home, creating conflict with Nyaruko and the others. Mahiro views Ghutatan as a sister figure and defends her from a gang of Shoggoth. During these events, he also updates Nyaruko on her duties. Ghutatan engages Mahiro in a conversation regarding the nature of loneliness, adding emotional depth to the chaotic household dynamics involving the various extraterrestrial and divine visitors.
12EP 12Mahiro confronts Lloigor's deception while trapped in a mirror world with his friends.
Jun 26, 2012Mahiro finds himself isolated in a time loop, reminiscing about his time with Nyaruko and realizing he desires their company. He discovers his companions are imprisoned within a mirror while he is petrified by Lloigor, the true antagonist behind the Shoggoth incident. Lloigor coerced Ghutatan into granting Mahiro's wish for solitude and stealing Earth's entertainment and adult games. The group must unite to defeat Lloigor permanently. After the conflict, normalcy returns, with Ghutatan apologizing to Mahiro and the friends enjoying a barbecue together.
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Frequently asked questions
- How many episodes does Haiyore! Nyaruko-san have?
- Haiyore! Nyaruko-san has 12 episodes.
- When did Haiyore! Nyaruko-san come out?
- Haiyore! Nyaruko-san came out in 2012.
- Which studio made Haiyore! Nyaruko-san?
- Haiyore! Nyaruko-san was produced by Xebec.
- Who directed Haiyore! Nyaruko-san?
- Haiyore! Nyaruko-san was directed by Satoshi Motoyama.
- Is Haiyore! Nyaruko-san finished?
- Current status of Haiyore! Nyaruko-san: Finished.












