A mother-in-law enters her stepson's room without permission to tidy up and finds hidden contraceptives. Trying to advance their still unfamiliar relationship, she gives him advice on sex like a mother would. Perhaps opening his heart a bit, he consults her, "I don't know how to put on a condom." Although she was teaching him seriously, the sex education escalates more and more due to her handsome stepson's lust…!
