Henohenomoheji to Bou Ningen to Pantsu

Satō, an elementary school student, one day develops a rare condition that turns him into a stick figure. The only way to cure it is to stimulate the brain. When it comes to the stimulation of youth, that would be .. *"love"―!?* A dramatic coming-of-age rom-com from an up-and-coming talent at Jump! (Source: Shōnen Jump+)