Tenma to Sakaki

The two most popular students in the school, Tenma, a mysterious, decent handsome guy, and Sakaki, a flirtatious but kind prince, are secretly in a relationship and like to make out all the time! The cool side, the cute side, and the secret only they know about each other is making them have butterflies in their stomachs, even today! A happy love life of the possessive duo!

(Source: Frontier Works, translated)

Note: The series is originally self-published online through Twitter and Pixiv.