Haimiya-senpai wa Kowakute Kawaii
| Haimiya-senpai wa Kowakute Kawaii | |
First tankōbon volume cover | |
| 灰宮先輩は怖くてかわいい | |
|---|---|
| Genre | Romantic comedy |
| Manga | |
| Written by | Sumu Kamiyama |
| Published by | Square Enix |
| Imprint | Gangan Comics UP! |
| Magazine | Manga Up! |
| Original run | November 6, 2025 – present |
| Volumes | 1 |
Haimiya-senpai wa Kowakute Kawaii (灰宮先輩は怖くてかわいい; lit. "Haimiya Senpai is Scary but Cute") is a Japanese manga series written and illustrated by. It was originally posted as a series of illustrations on Kamiyama's Twitter and Pixiv accounts, before beginning serialization in Square Enix's Manga Up! web service in November 2025. The series has been compiled into a single volume as of February 2026.
Plot
Kurose, a member of the health committee, gains the attention of his upperclassman Mio Haimiya. Haimiya, who has a flashy gyaru-like appearance, is notorious in school for having a scary demeanor. However, Haimiya develops an interest in him, even treating him with kindness. Kurose, having no other friends and spending his days helping out at the infirmary, develops a bond with Haimiya, with the two becoming friends.
Characters
- Ao Kurose (黒瀬)
- A high school student and a member of the health committee. He has an introverted personality, leading to him not being a member of any club nor having any friends. However, he gains the attention of his fellow health committee member Haimiya, who sheds her usual scary personality whenever he is with her. He has an older sister and a younger sister.
- Mio Haimiya (灰宮 美桜, Haimiya Mio)
- Voiced by: Yūko Natsuyoshi (PV)[1]
- Kurose's upperclassman and a fellow member of the health committee. She has a reputation in school due to her scary appearance and looking down on others. However, she acts differently around Kurose. She quickly develops feelings for Kurose after they become friends. She speaks with a Kansai dialect.
- Ms. Aya (あや先生, Aya-sensei)
- The school nurse, whom Kurose and Haimiya help with.
- Sora Kurose (黒瀬 そら, Kurose Sora)
- Kurose's 20-year-old older sister.
- Umi Kurose (黒瀬 うみ, Kurose Umi)
- Kurose's 14-year-old younger sister.
- Touya Tanzaki (丹崎 搭弥, Tanzaki Tōya)
- Kurose's classmate and a member of the basketball club. Despite being seatmates, the two had barely interacted prior to a certain incident. However, the two become friends after Kurose offered him a sandwich. After the two become friends, Haimiya becomes jealous of their relationship.
Development
Sumu Kamiyama originally planned to create a one-shot manga featuring a senior and an underclassman. In the original draft, Kurose was the upperclassman while Haimiya was a junior, and Haimiya was intended to be male. However, being unsatisfied with the draft, Kamiyama swapped their roles, with Haimiya now being female and the senior, and Kurose being the underclassman.[2] Kamiyama gave Haimiya a Kansai dialect because they saw Kansai women as tough, but also because the Kansai dialect had a reputation for being intimidating.[3][2] They also wanted Haimiya to have the contrast between being intimidating and cute, with the dialect itself adding to that feeling.[2]
Publication
Kamiyama originally began posted the series as a webcomic on their Twitter and Pixiv accounts on May 14, 2025.[4][5] After going viral on social media, it was picked up for serialization by Square Enix, which began serializing it on their Manga Up! web service on November 6, 2025.[2][6] The first tankōbon volume was published on February 6, 2026;[7][8] A promotional video featuring Yūko Natsuyoshi as Haimiya was posted on YouTube to coincide with the volume's release.[1]
| No. | Release date | ISBN |
|---|---|---|
| 1 | February 6, 2026[8] | 978-4-3010-0313-7 |
References
- ^ a b "GCUP!『灰宮先輩は怖くてかわいい』PV【CV：夏吉ゆうこ】". YouTube. February 6, 2026. Retrieved March 17, 2026.
- ^ a b c d Aoki, Keisuke (February 7, 2026). "【漫画】コワモテ関西弁ギャルがデレるとどうなる？ 『灰宮先輩は怖くてかわいい』のギャップに悶絶". Real Sound (in Japanese). Retrieved March 17, 2026.
- ^ "学校で怖い先輩女子がなぜか自分には優しい…ギャップに翻弄される男子高生に「ニヤニヤ止まらん」【漫画】". Web The Television (in Japanese). February 5, 2026. Retrieved March 17, 2026.
- ^ @sumutemu_ (May 14, 2025). "めっちゃ怖い先輩がなぜか自分にだけ優しい" (Tweet) (in Japanese). Retrieved March 17, 2026 – via X (formerly Twitter).
- ^ "めっちゃ怖い先輩がなぜか自分にだけ優しい". Pixiv (in Japanese). May 14, 2025. Retrieved March 17, 2026.
- ^ "めちゃ怖い先輩が自分にだけは優しい、保健室掃除から始まる怖キュンラブコメ". Natalie (in Japanese). Natasha, Inc. November 6, 2026. Retrieved March 17, 2026.
- ^ "ピアスはバチバチ、関西弁…いつも怖い先輩が僕にだけは優しい、怖キュンラブコメ" (in Japanese). Natasha, Inc. February 6, 2026. Retrieved March 17, 2026.
- ^ a b "灰宮先輩は怖くてかわいい 1" (in Japanese). Square Enix. Retrieved March 17, 2026.
External links
- Manga official website (in Japanese)