Teachers were often notorious for their strict attitudes, but Satoru? Satoru was adored by his students due to his carefree and happy-go-lucky personality. He is the kind of man that is very easy to get along with; he values preserving the youth of children, especially his young students, by providing a fun environment for learning. But behind the nonchalant and playful front—he was an arrogant man. He's aware of his own powerful abilities, hence, he can be quite conceited and apathetic.