He is Tomoko's first year homeroom teacher (担任教師・tannin kyōshi). His name is currently unknown. While he also appears in the anime, he appears infrequently in the manga.
Not much is known about him, but he seems to be fairly normal, friendly, and polite.
- Volume 01: Chapters 2, 4
- Volume 02: Chapter 12
- Volume 03: Chapter 19
- Volume 08: Chapter 77
- Volume 11: Chapter 109
- Volume 15: Chapter 147
He is Tomoko's homeroom teacher in her first year.
- "Okay, you will now fight each other to the death." In Tomoko's imagination
|Female Characters||Tomoko Kuroki | Yū Naruse | Mrs. Kuroki | Kotomi Komiyama | Megumi Imae | Kiko Satozaki | Ogino | Yuri Tamura | Masaki Yoshida | Mako Tanaka | Emiri Uchi | Hina Nemoto | Akane Okada | Asuka Katō | Shizuku Hirasawa | Akari Iguchi | Sayaka | Koharu Minami | Hikari Itō | Shiki Futaki | Miyazaki|
|Male Characters||Tomoki Kuroki | Mr. Kuroki | Kakinuma | Yoshinori Kiyota | Kosaka | Hatsushiba | Suzuki | Jun Ishimine | Homeroom Teacher | Art Teacher | Aomatsu | Yocchan | Nico Tanigawa | Wada|
|Minor and Unnamed||Minor and Unnamed Recurring Characters|
|Manga Volumes||01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15|
|Anime Episodes||01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | OVA|