Haginokouji Seiya-sama no Ran

Bathed in fame, authority, assets… The noble family of Kyoto Haginokouji Seiya-sama the next head of the family, has just reached the age of 16 and still goes to high school… With anachronistic family customs, he can’t stand having to keep his life a secret! His sole ally? The handsome level-headed Takakura Yoshiki. He Plays the role as the Haginokouji family’s young and skillful private secretary. But when it comes to his young master’s childish antics, he melts on the spot…! (Source: M-U)