EQ-440 Playing tricks secretly in the kotatsu, "Wait!? My boyfriend will notice!" Having genuine sex with my boyfriend's friend!

A boyfriend who brings a friend to her home. The season is winter. A living room with a kotatsu. For various reasons, she ends up drinking with the three of them. A boyfriend who gets drunk and falls asleep whether it will eventually be crushed or crushed. The boyfriend's friend, who is delusional and lustful with the momentum of alcohol and the eroticism in the kotatsu, sets up a mischief in the tension of the boyfriend sleeping next to her who should not touch the woman.