Kazuma can't stop masturbating with his mother Kanas underwear. Perverted mother Kana gets excited about this and further soaks her panties with scent to induce masturbation. Unable to stop her own masturbation, one day Kana wanted to do something even dirtier and saw Dass! AV maker's recruitment for a room where you can't leave until you ejaculate ten times, she secretly applied without telling Kazuma…
