Neglected by her husband, Miki has raised her daughter almost alone. Her only escape is secretly posting swimsuit selfies online and feeding on the attention, gradually becoming bolder as she discovers the thrill of being watched. Then her daughter’s adult boyfriend Hiroyuki finds the account and insists on seeing her in a swimsuit in person. Nervous but unable to refuse, Miki changes into a bikini and reveals her thick, mature curves before him, pushing their relationship toward temptation.