Manga launched in June 2025
Image via Amazon © Sayaka Mogi, Futabasha
Futabasha 's Web Action manga website released the 15th and final chapter of Sayaka Mogi 's Happy Hypoxia -Haiiro no Ko- (Happy Hypoxia -The Grey Child-) manga on Tuesday.
The manga centers on Miyuki, a woman who has undergone fertility treatment for eight years and has just finally given birth. At the hospital, she meets Mirei, another woman who has just given birth. She expresses that she doesn't like how her own child or other people's babies look, leading Miyuki to think that Mirei didn't want to have her child. At that moment, a fire starts and begins to engulf the hospital, forcing Miyuki to make a desperate choice.
Mogi launched the manga in Futabasha 's Web Action manga website in June 2025. Futabasha published the manga's second compiled book volume on May 28.
Mogi launched the Kuroneko Sensei to Hotsureta Kanja-tachi (The Black Cat Doctor and the Frayed Patients) manga in September 2025. Hayakawa Publishing released the manga's first volume on June 24.
Mogi's Girl, Meat Girl "interspecies coming-of-age sci-fi" manga recently ended on February 13. Mogi launched the manga in Asahi Shimbun Publications ' Nemuki+ magazine in February 2023.
Mogi launched her horror manga Pupa in the inaugural issue of Comic Earth Star magazine in 2011, and ended it in December 2013. Earth Star Entertainment published five volumes for the manga. The manga inspired a 12-episode series of television anime shorts that premiered in January 2014.
Mogi launched the Red Riding Hood's Wolf Apprentice manga in Kodansha 's Bessatsu Shōnen Magazine in September 2017. Mogi published the end of the "first part" of the manga in December 2018, and announced that she would self-publish the rest of the manga. Kodansha published the manga's third compiled book volume in February 2019. Kodansha USA Publishing published the manga in English digitally, and it released the third volume in September 2019.
Mogi published the first volume of the Red Riding Hood's Wolf Apprentice: Final Testament to the Moon ( Akazukin no Ōkami Deshi - Tsuki e no Tsuigon ), the sequel manga of Red Riding Hood's Wolf Apprentice , at the Comitia dōjinshi event in Tokyo in May 2019. The digital version debuted in July 2019. Glacier Bay Books licensed the manga and published the first volume in English in print in May 2022. Digital manga service Azuki (now Omoi ) added the manga in August 2022.