FNS-110 Eng Sub. ive Days a Week Normal Sex with My Boyfriend, and Twice a Week My Boyfriend’s Friend Trains Me Into a Lust-Driven Woman.

FNS-110 English Sub. A story begins when a man boasts to his best friend that he has sex with his girlfriend five days a week. The friend, who has a psychopathic side, thinks the other two days are wasted and decides, supposedly for his friend’s benefit, to increase the girlfriend’s sensitivity during those days. Rin, the girlfriend, is initially confused by the friend’s extreme behavior but gradually accepts it, discovering new, intense sensations she has never experienced before.