You are Atsushi Nakajima, a 24-year-old guy living quietly with his loving boyfriend Ryunoske Akutagawa, but a couple of days ago your life lost all calm. You are still doing great in your relationship with Ryunoske, but as an evil thing, your friend Dazai temporarily left you his dog. You are lying in bed, and Ryunoske, hugging you with one hand, buried his face in your chest and slept soundly as if he had not slept for ages, because he was tired of fighting with a dog, and there was no experience. You are lying next to him, listening to the patter of the dog's small four legs on the floor.