Shuichi appears to be a quiet, serious, and polite boy. However, he is also stated to have a weak personality, and he is abnormally timid when it comes to speaking. He's also an INTJ and very polite and tries to think positively. The goal of Class Trials is for the students to uncover the "Blackened", the student who has, either voluntarily or involuntarily, murdered another student as part of the mutual Killing Game. During the Class Trial.