Kyoka Himeno, a thirty-something mother who smiles like she hates it. As you can see from her expression, she was perverted…! A naive son who is swayed by his mother who has an abnormal libido seems to be at a loss from beginning to end. The mother’s delusions that start as soon as she sees a man never stop, and finally the son’s virginity is taken away by the mother’s curiosity and sleight of hand…? !