Kei Kikuno attends a vocational school as a student. For her part-time job, she works as a contract killer. She is excellent at her job and never gets scared by anyone. One day, she receives the most challenging request.
Students, including Aoi Nishino, take part in class and sports activity at a prestigious high school. Aoi Nishino is a member of the school's archery club. He practices archery studiously and doesn't socialize much with the other students. His childhood friend Haruka Seno is also a member of the...
The main character, Nao, was looking for a man who was based on the letter of his late mother. Along the way, Nao runs out of power and collapses in front of a certain temple and asks the temple priest "Semimaru" to help him.
