Zerozaki Hitoshiki no Ningen Kankei: Mutou Iori to no Kankei
零崎人識の人間関係 無桐伊織との関係
A family of demonic killers known as the Zerozaki Clan holds the third position among the Killing Names. After becoming siblings, Hitoshiki and Iori Zerozaki confront Aikawa Jun, recognized as Humanity's Strongest Contractor, intending to assist her. However, they become entangled in her affairs. Their journey leads them to Taiyakujima, where the second-ranked Killing Names, the Yamaguchi family, reside. There they encounter Rikka Kajumaru, known as the Lifelong Undefeated Crystal Kaiser.
