Yuji has always admired his childhood friend's mother, Izumi. When Yuji was young and grew up without knowing his mother, it was Izumi's kindness that taught him motherhood. However, now that he has grown into a man, Yuji is unable to stop his feelings of admiration from turning into lust. One day, Yuji finds some women's underwear in the laundry basket and steals it in a flash. When he thinks that Izumi was wearing it, he feels an indescribable excitement well up inside him. Unable to hold back any longer... Yuji decides to confess his feelings to Izumi.