Shinya can't suppress his excitement when he hears that his beautiful and bewitching mother's best friend, Akari, is staying. - Living together with a busty beauty who suddenly rained. Shinya, who can't stop his delusional delusion, manages to sneak into the dressing room to look at Akari's nakedness, but he is found with too much momentum. - "Are you so worried about my nakedness?" - Akari, who thought Shinya who could not take her eyes off her boobs while blushing was cute, took her lips with a mischievous heart.