A nameless young person abandoned their education and became a skilled murderer, executing their tasks with indifference and an unattached blade. They showed no regard for their victims' identities, regardless of their connections to the assignment. Following a mission gone awry, the adolescent encountered Iwanishi, who dubbed them "Semi" for their loquaciousness. Iwanishi proposed managing Semi's professional pursuits, such as organizing the details of their killings, but Semi remained ignorant of Iwanishi's ulterior motives.
