Excellent at information gathering, he researches Koro-sensei's weaknesses. He has a quiet and gentle personality. However, he actually possesses an outstanding talent for assassination. Light blue hair. Height is 159cm.

A refreshing, athletic, and handsome popular guy. Ranked 2nd among the boys in knife skills. He is good at hitting on girls. Orange hair. Height is 175cm.

Ranked 1st among the boys in knife skills. He is handsome but not at all obnoxious. His only weakness is that he is so perfect there is nothing to poke fun at. Black hair. Height is 173cm.

Not a single classmate has ever seen his eyes. He has high spatial processing abilities and ranked 1st among the boys in the outdoor marksmanship test. Black hair. His eyes are hidden by his bangs. Height is 172cm.

Excellent grades but poor behavior. He is quick-witted and loves playing pranks. He was the first in class to successfully deal damage to Koro-sensei. Red hair. Height is 175cm.