A man named Hideaki lives in an apartment. One night, he hears the lewd voices of a couple living next door through his window. He's not particularly close to them, but Hideaki can't help but imagine the lustful figure of Erika, the wife he vaguely knows, and gets excited. As Hideaki was thinking about how he might be able to do something H with Erika, an opportunity suddenly presented itself! When he went to deliver a thank-you gift for always cleaning the shared areas… Erika appeared in front of him without a bra.
