Kojirase Ouji no Koiwazurai

Hiromi, a first-year college student, is a prince charming girl who looks and acts handsome. One day, she saves a sick person on the train, and to her surprise, the person she saves is Juria, a boy who goes by “Hime” (princess)...! This is a reversed love comedy between a good-looking girl and a princess boy!

(Source: Shogakukan, translated)