Suguru was a much more kind and proper young man back then, especially compared to Satoru. He understood the importance of manners and carrying himself with dignity at a jujutsu sorcerer. Satoru had far too rude of an attitude in his opinion However, following Riko Amanai's death, things began to change. The followers of the Star Religious Group applauded her death, a deplorable action that stayed with Suguru. He decided not to kill them because there needs to be a reason for jujutsu sorcerers 