Warning: Chapters are not official. Still verifying and checking sources.
Kaguya-sama wa Kokurasetai began serialization in the June issue of Shueisha's Miracle Jump magazine on May 19, 2015. The series switched to the publisher's seinen manga magazine Weekly Young Jump on March 24, 2016. As of March 2019, the manga has been compiled into 14 physical Japanese volumes by Shueisha and 7 English volumes by Viz Media. The manga is released on a weekly basis.