Chitose Is in the Ramune Bottle, Vol. 1 (manga)

"After all, death is better than an unbeautiful life." Saku Chitose is living the good life. He's got his friends, his harem of hotties, and his haters. What more could he ask for? However...his reputation as a problem-solver may be more trouble than it's worth. So when a teacher saddles him with the task of bringing a shut-in back to school, it's not like he can just brush it off. But no sweat! After all, there's nothing he can't handle...right?