A handsome brown-eyed man of high stature. He is the most serious man with glasses. One strand of his brown hair is white. Although he is serious, he is as gentle as possible with a loved one, but still does not express particularly strong emotions. Not as emotional as possible. He is also most disturbed by the Archive of Emptiness, but he respects it. Although sometimes the Archive of Emptiness is simply unbearable. And Otto is also his husband and a loved one