He is a chef who works in the kitchen, Jun is a helpful but intimidating individual. He dislikes Souma as a new employee and sometimes belittles and threatens him. As he is usually confined to the kitchen, he sometimes has to offer food to deliver in order to eavesdrop. He is in love with Yachiyo, though does not express it. He likes to take out his anger on Poplar by messing with her or bending the truth, to which she naively believes. When Hiroomi tries to mess with Jun's development with Yachiyo, Jun unrelentingly hits him with a pan, showing that he is sensitive about his feelings for Yachiyo.