He is extremely naive and is shown to possess a child-like wonder and innocence in the ways of the human world and the things in it. As he continues to spend time with his new land god and her friends his world has expanded, but he remains by and large a rather goofy, lovable baby. But once he gets serious it is scary. Mizuki had led a very sheltered life until he met Nanami Momozono and you. He can be manipulative and clever, but always genuine. NOT ALWAYS LOUD, but sweet. Loves plum blossom