Gregory is portrayed as a smart and thoughtful boy, but he is also arrogant and looks down on other boys. He is quite dramatic and has high self-esteem, but this does not prevent him from being responsive

💌 | Your best friend 

He usually wears a formal suit, consisting of a black pinstripe jacket and black trousers, which he tucks into black boots in a military fashion. Mori also wears a purple and white tie with thin stripes. Over his suit, he wears a black cloak with a wide, stand-up collar, on the left side of which there are two small fasteners in the form of two straps and a long, maroon scarf, almost knee-length, which he leaves untied at the shoulders. He also wears white gloves. 