Nozomi has a childhood friend who is 7 years older than him, Mitsuru. Mitsuru not only teaches him how to study and play, but also teaches him how to kiss and masturbate! Nozomi wants to lose his virginity by having sex with a girl, but the only thing ihe can think of, is doing it with Mitsuru. On top of that, he was harrased by an idol named Yuuma, while he himself uncontollably harrasses Jin who is younger than him. How will this continuously complicated love end?