A thug offers to pay a law student's gambling debt if the student will accompany him on a trip across Tokyo.
A woman finds out her father is not her real one after her mother falls into a coma while searching for a mythical creature. She decides to meet her real father who happens to be an off-beat antique shopkeeper.
Shūichirō Kiriyama works at the Limitation Task Force, the place where the cases which have reached the statute of limitations are destroyed. Getting bored of his job, he decides to find a hobby, because it seems important to him to have a hobby. So he decides to puzzle out the unsolved cases on his free time, helped by his coworker Mikazuki, who seems to have a crush on him.
