Mitsuki Nagisa, a beautiful girl who is exploding in popularity, releases the ban on big black cock FUCK for the first time in her life! - My girlfriend, Mitsuki, is the manager of the same track and field club as me and is younger than me. - When we first started dating, we were in love. - However, everything is completely destroyed by a black helper student who suddenly arrives from America... - He's big and fast! - I quickly established myself as a regular and was given a place in the starting lineup. - Mitsuki, who was trying to cheer me up when I was depressed, had no idea...that she was doing something like that with him...