My girlfriend, Mika Kurosaki, has a quiet and shy personality, but when I'm alone with me, she suddenly becomes deredere. It's Mika's face that only I know. One day I thought so, I found a video with such a title on the net. "Mika-san, a female college student, leaked a video that was fucked by Yarisa." I played the video with curiosity, thinking that it wasn't my girlfriend, but I got to know Mika's face that I didn't know again ...