[Machine Translation] "Open the key - unlock the key - the key to my heart! Morinaga finally manages to move in with Soichi. Morinaga fantasizes about a dizzying "one-roof" life, but the key is still firmly locked in Soichi's room, and he can't take a single step into the room. In other words, they have not lived together since they moved in together! Not even once! I have not been allowed to do so...! One night, while Morinaga was enjoying his happiness, the key was unlocked.......? Suddenly, a chance to crawl in the night! Morinaga's patience is running out...?