is a Japanese manga series written and illustrated by . It was serialized in Akita Shoten's seinen manga magazine Young Champion from June 2006 to April 2011. A sequel manga, Tōhai: Hitobashira-hen, was serialized in Young Champion from May 2011 to May 2017. A third series, Tōhai: Minagoroshi-hen, was serialized in Young Champion from September 2017 to June 2021. A fourth series, Tōhai: Cold Girl, has been serialized in Young Champion since September 2021.
is a Japanese manga series written and illustrated by . It was serialized in Akita Shoten's seinen manga magazine Young Champion from June 2006 to April 2011. A sequel manga, Tōhai: Hitobashira-hen, was serialized in Young Champion from May 2011 to May 2017. A third series, Tōhai: Minagoroshi-hen, was serialized in Young Champion from September 2017 to June 2021. A fourth series, Tōhai: Cold Girl, has been serialized in Young Champion since September 2021.
A live-action film adaptation premiered in Japan in May 2013, and an anime television series adaptation produced by East Fish Studio aired from October 2024 to April 2025.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).