Yutaka Seto

Boy #12 Yutaka Seto, the class clown and the shortest boy, allies with Shinji Mimura and helps him gather the materials for the bomb plan. In the novel, Yutaka has a crush on Izumi Kanai. In the manga, because the teacher killed Fumiyo Fujiyoshi, his crush, he feels especially motivated to help Shinji. In all versions he is killed by Kazuo Kiriyama. (Source: Wikipedia)