Arata Natsume works at a child guidance center, is in his thirties and single with no plans for marriage. But one day, he receives a request from the child he was in charge of, Takuto, to “meet the criminal who killed his father”. That serial killer is Shinagawa Shinju, also known as the “Shinagawa Pierrot”. **Awards:** - U-NEXT Award in the Next Manga Awards 2020 Print Division - 70th Shougakukan Manga Award (2025) ___ **Additional Links:** - Buy Individual Chapters: [BookLive](https://booklive.jp/product/index/title_id/664682/vol_no/001), [BOOK☆WALKER](https://bookwalker.jp/series/224199/list/), [ebookjapan](https://ebookjapan.yahoo.co.jp/books/563939/) - [Official X](https://x.com/ARATA_superior)