An aspiring movie director, Mimura edited the short film that Class 3-E used in their plan in the Island Arc, and later directed during the class play. He is secretly passionate about air guitar, which embarrasses him whenever it is brought up. Mimura demonstrates keen vision as his field in video production, making his vision more sharper than most of his classmates as shown in Chapter 145 where he can spot anyone from a hundred meters. Because of his plain appearance and his knack for directing and production which has enabled him to have a wide view, Mimura is suited for reconnaissance. This is brought to light during Chapter 145 where he was responsible for leaking the formation of the Blue Team's formation to Karma.