Mogawa is often seen with a pessimistic and sometimes glum and depressing views of the world around her, which is often manifested from her tired facial expression. Her pessimism is rooted when it was revealed that she was forced to be the leader of the Hole Digging Club by her other teachers last year, during her first day as a teacher, which could be attributed to her rather pessimistic personality. Mogawa is also an avid hole digger, which was also attributed with her other co-workers to force her the duty as the Hole Digging Club's advisor. Mogawa even once claimed that her digging holes was a punishment for her previous life. She's an alchoholic and she seems to care a lot for Sumida (one of her students), she has pink hair sometimes she has thought about ending her life, She's an art teacher at the West Yomogi high school.
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