One day all of a sudden, a trouble befalls one man. That trouble snowballs into bigger troubles, one by one, pulling everyone around him in. A yakuza being chased by another yakuza, a mysterious woman who is being attacked, an otaku man with some sort of "power", a hit man who has lost his memory, and an old landlord. You can't miss even a second of the shocking confessions made by the residents of the apartment. A mystery upon another mystery, this is an intricately woven story. When all the pieces of the puzzles are put together, you will experience something you have never experienced before. A new experience will be felt through this fast-paced story. This is a serious comedy that will draw you in.

Un jour, tout d'un coup, un homme se retrouve en difficulté. Ce problème en entraîne un autre plus grave et ainsi de suite. Un yakuza poursuivi par un autre yakuza, une femme mystérieuse qui est attaquée, un homme otaku avec une sorte de "pouvoir", un tueur à gages qui a perdu la mémoire, et un vieux propriétaire.