Oshima, the boss who gives work guidance to her husband at home. Riku hates him, but Oshima has a different motive. Oshima appears in her husband's absence and rapes Riku because of her husband's poor grades. Despite his good husband, his lewd training goes out of control! Oshima opens her crotch beside her husband and uses skillful tricks to make Riku fall. His verbal torture made her Riku's body hot and numb...
