Included one-shots: Sukima no Kanojo, Hako no Naka no Omoide

There is an absolute realm where darkness stirs... In a classroom filled with frivolous ghost stories, a girl unnoticed by all sits alone. Her name is Nayura Sumiyuri, and she has a secret... (Source: Gentosha Comics, translated)

A group of junior high school students are trapped in the western mansion known as "Jail House," rumored to be haunted by a blue humanoid monster. Splitting up to search for exits to escape the mansion, the students are now being stalked by the pursuing blue monster, going after their lives.

An anthology comic of Shabake by various mangaka.

There's one thing that's been bothering me lately about Mashiba-kun, the head of the public morals committee. It's not about her naughty classmate Saeki-san's violation of school rules, but rather the side profile of her boringly nibbling on melon bread at lunchtime. Unable to leave Saeki-san alone, Mashiba-kun said one word... "I'll make another bento!" ? Happy lunch time for two bumpy people begins!