Hundred Note -Ugly Duck- debuts on February 4The official X (formerly Twitter ) account for Kodansha 's Magazine Pocket announced on Wednesday that Until Your Bones Rot manga creator Yae Utsumi will launch a new mystery series on the platform titled Hundred Note -Ugly Duckling- on February 4. Image via Magazine Pocket's X/Twitter © Yae Utsumi, KodanshaUtsumi launched the Shiganbana manga in Kodansha 's Weekly Young Magazine in May 2024. Utsumi launched the The Shadows of Who We Once Were ( Nare no Hate no Bokura ) manga in Kodansha 's Weekly Shōnen Magazine in January 2020. Utsumi serialized the Until Your Bones Rot ( Hone ga Kusaru Made ) manga on the Manga Box app from 2016 to 2018. Kodansha USA Publishing published the manga in English digitally, and it released the seventh volume in July 2018.