イレギュラー・ハウンド いずれ×××になるだろう

Touya, a boy who wants to die, is one day brought to life by a girl called 'Hachi'. Hachi, who manages the lower branch of a police organization called 'Daihachi', discovers that he has a special ability called 'irregular', and Momoya is forced to explore the underworld... (Source: Sneaker Bunko, translated)