A little clumsy and sloppy "Sempai" Riho Nanahara is She just became a lover with her favorite "Junior-kun". Although she is a virgin, Riho is "smooth and lascivious". She said, "If you call your boyfriend in your room, she might be pushed down!" Before her first date, I'm flirting with such a delusion ...? Despite being puzzled by her first sex, Riho remembers her pleasure of becoming one with her favorite person.