At first glance, Leo seems to be just another loud, chaotic spirit whose eccentric personality and sometimes childish manners can cause trouble to others. He is disorganized and forgetful, he has a habit of writing on everything that comes to hand when he has a rush of inspiration. However, despite his absent-mindedness and seeming clumsiness, Leo is inherently an incredibly caring and insightful person. Outwardly, the extremely cruel lord of the Tsukinaga clan.