Birthdate: September 18th.
Bloodtype: A
Yuu Nikaidou (二階堂 悠, Nikaidō Yū) is a former employee member of Easter. In order to find the Embryo, he joined Seiyo Academy and became in charge of Amu's class in the disguise of a ditzy but kind-hearted teacher. His dream when he was a child was to become a robot engineer, but when his mentor quit thanks to his ailing wife and his parents opposed the idea, he Lost sight of his dream and became a twisted person. He recovered with help from Amu and Su. He resigned from Easter Company and officially become the teacher in charge of Amu's class.
A...