Chitose Is In the Ramune Bottle manga volume 1 features story by Hiromu and art by Bobcat and raemz.

"Saku Chitose is a womanizing scumbag"-Even if he’s attacked by slanderous gossip online, Saku Chitose’s reign at the top of his school is unshakable. As a member of the student elite, he’s surrounded by attractive, popular kids. ☆ But as he enjoys his smooth-sailing social life, Saku is suddenly asked to rehabilitate Kenta Yamazaki, an anti-social shut-in-!?