JUX-549 A son's obscene act of filial piety: A shoulder massage ticket to relieve stiffness in mother and son - Reika Honma

One day, Hiro, a son who has just reached puberty, accidentally peeks at his parents having sex. Hiro is shocked not only at having seen his parents in such a state, but also at the realization that he wants to do it with his mother, Reika. Since then, Hiro has distanced himself from Reika, as if going through a rebellious phase, but the "help voucher" that Hiro gave Reika as a child brings mother and son closer again. And so, his filial piety, which was meant to express his gratitude to his mother, gradually turns into a lewd one...