The story is a heartwarming comedy about "sparkling prince" private tutor Kishi Naito and the hot-headed delinquent Takasugi Toru. Toru's mother, worried about her son's constant fighting and rock-bottom test scores, hires Kishi as his tutor. Though Toru is bewildered by Kishi's gentle and sweet teaching style, he soon finds himself drawn into Kishi's pace — setting the stage for a dramatic transformation in his life.