3+5, a schoolgirl's child-carrying handrail, an angel of cruelty, 18 years old rumi

An 18-year-old girl's school student, "Rika" and "Rumi," have a potential desire to bloom. He reached the peak with a mourning of Mazo's desire hidden inside, blaming him for being a tight-lined teacher of Mahjong. A mania must-see eros in which innocent angels can be mercilessly bound up!