Shuichi Saihara is the Ultimate Detective like Kyoko Kirigiri. He tends to wear a cap on his head. He claims himself to be a detective in training and was only scouted by solving one case alone. He has an uncle who was a detective. He is very close friends with Kaede Akamatsu and is claimed side kick of Kaito Momota. Shuichi tend to have negative relationship with his parents due to his talent and being trained by his uncle. He looks up to Kyoko Kirigiri the Ultimate Detective from 78th Class.