Rebirth knight manga

Rebirth Knight summary:

[taken from ryColaa Scanlations] There are mysterious masked-men trying to conquer the earth!! And to defeat them, the state started a project team called 'Rebirth Knight'. Kang Chan, one of the strongest high schoolers, meets a girl named Chaewon and falls in love at first sight. However, Kang Chan hears from Chaewon that she is a member of the Rebirth Knight, and decides he wants to be a member too...