He's shy and has no confidence in himself. As shown in Chocolat, Desirious Thoughts of Chocolate, he may have a competitive side because he participates in the boys' foolish competitions.
He has light brown hair with brown-grey eyes. He wears circle-rimed glasses, though in the beginning song, he is shown to only have glass and nothing on the sides. He is quite short.
☀Nishitani is first presented in Unscheduled Newspaper Club Interview.
☀He is seen in later episodes but has almost no dialogue.