淫虐監獄島 (Ingyaku Kanzokutou)

Plot

A collection of short stories:

1-6. Ice Cream

The prison island known as “Scream” is a living hell for any woman sent there. Stripped of all human rights and denied any protection, they are soon reduced to sex slaves for the male guards and inmates, and literally raped to death. Minigawa Aisu, aka Ice, is the prison’s newest inmate, and she’s determined to overcome her fate and survive where all before her have died.

Sarubato Sensei no Yangoto Naki Jugyou Fuukei (Mr. Sarubato's Rowdy Classroom)

A mad teacher horribly punishes his two little student girls.

8-9. 世界の中心に咲く花

時限童貞