VEC-411 Mother's Best Friend Ai Mukai

After a quarrel between the couple, Ai, her mother's best friend, ran away and had to hide her for a while. Ken, who thought his mother's best friend was just an old lady, turns out to be a strikingly beautiful woman. My heart is pounding in my chest due to this unexpected event. Ken, who has gone out of control, secretly sneaks into the bathroom and looks for Ai's underwear, but ends up running into Ai...