While she's at home, her best friend Nao, who volunteered to be her sex friend, invites her out on a date... a date of close whispering and erection temptation. She makes him erect with her guilt-filled and thrilling devilish teasing, and even during the date, she teases and plays with his penis, grinning and provoking him. On the train platform, on the Ferris wheel, outdoors... they indulge in cheating kisses!! Even though it's outdoors, he gets embarrassingly erect!! They have cheating creampie sex many times in a hotel. Nao is toying with him, and he loses his reason so much that he thinks it's no good, and on this seductive date he can't stop his erection, ejaculation, or creampie.