Oshima, the boss who teaches her husband about work at home. Riku feels lonely about him, but Oshima has another spirit. Oshima who appears in the absence of her husband and ● Riku because of her husband's poor performance. His lewd training goes wild despite a good husband! Oshima who opens her crotch near her husband and defeats Riku with a skillful hand. Riku's body is hot and numb due to his word blame.