성별 : 생일 : 키/몸무게 :
Takayuki Setoguchi (瀬戸口隆之)A pilot of the 5121 squad, he is a playboy and lives his life only for girls and believes his youth is wasted being in the military. At the beginning when Shibamura Mai was transfered to 5121 squad, he attempted to pick her up but to no avail.
Though he seems uncaring towards his team-mates, he actually cares for them.