2 days until the “Last Graduation Ceremony” of high school, the building was to be demolished. Each student accepted their “farewell to youth” and moved forward with regret and hope in mind. One student visits the library to meet her secret admirer who is also her teacher, one calls her boyfriend with a strained relationship due to the distance of their colleges, one is trying to expose a secret that she hid for the last 3 years, and the last student, Manami, has to give a speech during the graduation ceremony but couldn’t overcome her pain.

Chisato and Mahiro must pay four years of overdue fees or lose their membership in their assassin guild. They take part-time jobs, but find themselves in the middle of an armed robbery and being hunted by other assassins.

Teenage assassins Mahiro and Chisato visit the coastal city of Miyazaki for a contract and a vacation, but they unexpectedly cross paths with a legendary, bloodthirsty assassin looking to add to his kill count.

Two socially awkward young women live a seemingly laid-back life in a shared house with others - when they're not working as elite assassins.