jijou wo shiranai tenkousei ga guigui kuru.
事情を知らない転校生がグイグイくる。 事情を知らない転校生がグイグイくる
A 2018-to-Present manga series by Kawamura Taku, with a 2023 anime adaptation by Studio Signpost. The series follows Nishimura Akane who befriends her classmate, Takada Taiyou, who believes she is the "Grim Reaper", despite it really being a name she is called and teased by her classmates.