Akiomi Kunugi

As part of the ES operations department, Akiomi acts as supporting staff for the idols. Despite his serious, stern personality, he's often strict with his juniors for the sake of helping them grow.

As a teacher in Yumenosaki Academy, he provides educational guidance and classes to the students as well. Once a former model and idol, he also offers advice as an alumnus of the school.

(Source: The English Ensemble Stars Wiki)