Tonogai’s Doubt manga ran in Monthly Shōnen Gangan from 2007-2009 and Yen Press released the series in English.
The March issue of Square Enix’s Monthly Shonen Gangan magazine published the final chapter of Yoshiki Tonogai’s Ikitemasu ka? Honda-kun (Honda, Are You Alive?) manga on Saturday.
Tonogai then launched the Secret manga in Square Enix’s Monthly Shōnen Gangan in 2013, and ended it in 2015.
Tonogai launched the manga in Monthly Shonen Gangan in July 2016.