Kurou Kumogakure

Kuro Kumogakure is a main character in Under Ninja. He is a descendant of the Kumogakure Clan and, as indicated by his name, he is the ninth sibling. Unable to find a job, Kuro was spending time in his apartment, until one day Kato showed up and gave him a mission to infiltrate a school. He went to his neighbor Kawado and asked her to pretend to be his mother and called the school that he will be transferring.