Our protagonist, Ao Mukiai, failed his university entrance exams last year and is now working as a caretaker for a shared house. However, there are currently no other residents in the old house he calls a 'share house'. He is merely living in his aunt's abandoned house, under the pretense of being the caretaker. One day, something happens that forces the protagonist to find someone willing to live there. So, without permission, he posts a flyer looking for tenants for the shared house at a nearby university (the one he was rejected from last year). Then, a woman comes to visit...