Naruto: Sex System! [R-18]

Naruto discovers a new method to grow strong while on his first C ranked mission, courtsey to the mysterious book that fell on his cock.

Though there's a catch.

It seems like he'll have to fuck almost every woman he comes across.

Additional Tags- Sex, Smut, Hardcore, Rough, Harem, Large Harem, Abuse of Power, Rape, Blackmail, Vanilla, Consensual Sex, Non-Consensual Sex, Anal, Deepthroat, Bondage, BDSM, Kinky Sex, System.