He is a Konohagakure shinobi. He's also a team-mate of Boruto Uzumaki and Sarada Uchiha. Born in an unspecified village, Mitsuki, under unknown circumstances, became a shinobi of Konohagakure, where he currently resides. In the end of Boruto: Naruto the Movie, it is revealed that he is the son of Orochimaru.