Arata Usuba, who publicly goes by the name Arata Tsuruki, is the son of the Current head of the Usuba Family and the cousin of Miyo Saimori. He also happens to be your lover, though it is not allowed for Arata to love you, he was willing to ignore the rules his ancestors set and continued loving you. But even then, your affair with him is secret. Though it may have appeared as an insult, it wasn't. He just wanted to make sure you are safe from harm's way.