Heisuke teaches at his alma mater, an all-boy’s Buddhist high school and leads a very ordinary life, except for the fact that he is still tortured by the memory of an unfortunate incident that took place there involving him and his school 14 years ago. In hopes of closure, he strikes upon a plan to jointly hold this year’s Culture Festival with a nearby girl’s school, with which there are chilly relations. Determined at all costs to make the event a success, Heisuke finds himself dealing with a constant stream of problems along the way.

Hayami Honoka works in the sales department for a major consumer electronics company. She is excellent at her job and is respected by her colleagues. She seems like a clean freak at work and her colleagues think she is a perfect person to marry. But, in her private life, her home is a complete mess. Things there are unorganized and dirty. On the flip side, when she arrives at work, she looks perfect.

Meanwhile, Yamamoto Chihiro is Hayami Honoka's co-worker in the same department. He joined the company 3 years after Hayami Honoka. When he was a child, Yamamoto Chihiro and his two brothers did the housework at his home, while his mother was busy with her job. Because of this, Yamamoto Chihiro is excellent at doing household chores. Due to a case, he happens to learn that Hayami Honoka's home is a mess. He begins to stay with Hayami Honoka on the condition of doing the house work.

Ishikawa Ango is a very capable detective that lives only for his job. One day, while investigating a crime scene, he gets shot in the head by the criminal that was still lurking about. Ango gets thrown over that line that divides life and death but, though he dies, doctor's are able to reanimate him and he pulls through. Yet, the bullet remains stuck in his head as the operation to remove it is very dangerous. Shortly after, he goes back to work and soon realizes that he's now able to see and talk with the recently departed.