Other Title: Gangimari Hatsujou Punchline

Author: Teppei Katou

Summary:

Latest Chapters: Ch.2 ,  Ch.5 ,  Ch.4 ,  Ch.1 ,  Ch.3 ,  Ch.2 , 

Other Title: 4000倍の男; 4000-Bai no Ootoko

Author: Gangi Mari

Summary: When you wake up after hitting your head, your sex drive will be multiplied by 4000?! Seigo Hasegawa, a man who has suddenly acquired a cheat sex drive, and his childhood friend An Yagami, who feels responsible for Seigo and tries to help him (sexually). The battle between Seigo and his sexual desire begins now... (MTL)

Latest Chapters: Vol.2 Ch.6 ,  Vol.1 Ch.5 ,  Vol.1 Ch.5.5 ,  Vol.1 Ch.4 ,  Vol.1 Ch.3 ,  Vol.1 Ch.2 ,