The story is about a man whose compulsive tendencies make it impossible for him to keep a job, and a young girl who skips school and loves insects. The two meet, come to support each other in reintegrating into society, and fall in love. There’s a problem, however: namely, the parasites in their heads.

A person who has the power to control people's bodies uses it to make them commit suicide, and one day encounters a special target.

A twenty-year-old with little hope for the future discovers a shop that buys lifespan, time, and health. This is a story dealing with the ensuing consequences.