Kimura is the only male teacher seen regularly in the series. His open-mouthed expression, along with his ability to simply appear out of nowhere, tends to creep out most of the female students. Although he displays tendencies toward responsibility and kindness—recycling littered cans, donating frequently to charities, and even offering 10,000 yen at a Shinto shrine to pray for world peace—he openly enjoys looking at girls in bloomers sports gear and swimsuits. He has even admitted that he became a teacher because he liked looking at schoolgirls. The girls obviously find this perverted, but it creates empathy with the male students, most of whom would like to do the same thing.
Spoiler
He is married to a pretty and kind young woman and has a (normal) young daughter, much to everyone's surprise.
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