2016

A school changes its rules and drops the traditional grading system. The only way to pass now is to have sex. The more sex you have, the better your chances.

2014

Soccer player Hayasaki Ryoushirou returns home with a sports injury. When his four older sisters find little sister fetish material in his luggage, the only possibly therapy for his unacceptable (and non-existent) lolicon fetish is sex with his busty older sisters Yuri and Mio.

Chisa Kanbara, the daughter of a local shrine priest and a childhood friend of the same librarian. When I saw her mating with Satsuki, I was kidnapped and confined by Chisa, who went crazy with her jealousy…!