Touko, a wife, has never known any man other than her husband Yoshimasa, and is very shy and reluctant to be seen. The couple always have sex in complete darkness, with the lights off. Yoshimasa loved Touko, but he suddenly wondered, "Is Touko satisfied? What kind of voice will she make when she is held by another man?" So Yoshimasa asked a young man he met online to hold his wife, and while Touko waits with the lights off, unaware of what was going on, he gently called out to the stranger and signaled to her...