After two years of marriage, Kyono Wakasa has been living harmoniously with her stepfather Tsuchio for half a year when he suddenly fell ill with acute low back pain... One day, while helping him recover, she accidentally touches his erect penis due to their close proximity. Both have been experiencing sexual frustration; Wakasa because of her husband's absence, and Tsuchio since his wife passed away. They eventually give in to their desires under the guise of caregiving, indulging in passionate encounters during the afternoons when Wakasa's husband isn't around. Their secret longings are finally being satisfied through these intimate moments they share.
