Japan Men's Sports College, commonly known as J-Balls, includes an organization that aims to cultivate healthy sperm to fight declining birth rates. Each year, it selects the top student and awards him the p...

1) by Takewaka Tomoharu Vulgar delinquent student Komota Kaisei opens his heart in the school infirmary. To get a reward from Seira-sensei, Komota becomes a good student. But his demands get more and more s...

"Welcome to the butler harem where sex in suits gets crazy! Shinji is a model and college student who was recruited for a part time job at a fancy manor to be the sex instructor for a group of mysterious, h...