Nemutteru Kareshi o Mesu Kaihatsu suru Hanashi

Marin, a girlfriend who longs for her boyfriend, Kotaro. Marin continues to avoid Kotaro's advances for sex, training his body every night instead. One day, when Kotaro propositions her for sex, Marin decides to "sex him" and gets to work. Confused by Marin's actions and his own body, Kotaro resists, but.. A story in which the girlfriend, eager to have sex with her boyfriend, exploits his body. **Official Translations:**.