Chihiro lives with her husband's stepchild Ryota in a house where her husband tends to be away on business trips.However, Ryota doesn't take it easy and Chihiro worries alone.With her anxiety, Chihiro indulges in extramarital sex, but the evidence video of her is taken by Ryota.Chihiro is threatened and trained by him.Forced blowjob, toy blame...His rampage doesn't stop and he finally gets fucked and teased...