Hiro is a high-school student refusing to go to school after a traumatic run-in with the local bullies. But his feeble life is forever changed when, one day, he applies online for a new gadget called "JUNK"....

For the anime (until someone finds one for the manga): Ryohei Yamazaki is a cool twenty-three year old, with an extremely high sex drive. A smooth talker with the lady killing eyes and a winning smile, we f...

After the last world war (2100-2104), the earth has become a desert place to live. Even more : the scarce resources left are destroyed by the ZPT system to clean the earth for the return of the Mars colonist...

After the last world war (2100-2104), the earth has become a desert place to live. Even more : the scarce resources left are destroyed by the ZPT system to clean the earth for the return of the Mars colonist...

Rentarou has to live with his perverted older brother, and from sex toys, to frilly night wear, he ends up going along with whatever his crazy brother has in mind.

Well, it's a full tank made of 10 independent chapters so there's quite a collection of material in there. There's some vanilla, some torture, some BDSM with black-mailing, some anal, hints of lesbianism and...