i wasn't sure about this one at first mostly because of the way kiyoi behaved on the first episode, but i just finished the last 5 episodes and the LAST TWO make such a difference on his character and they way we understand him.

the reason why kiyoi started by bossing hira around was because he was trying to understand if hira was just like everyone else, meaning, if he was just nice to him because he wanted something from kiyoi. he later realizes that no, hira is different. he kept his promise to not tell anyone about kiyoi dancing, he always had a look in his eyes, he told him he liked him, and most of all he showed all of that by standing up for kiyoi in front of the entire school. kiyoi had always been alone even though he always had people surrounding him but finally he found someone who didn't make him lonely anymore, who was honest on the way he felt. you can also tell how the "gross/disgusting" comments don't really have much meaning when kiyoi later says them, he doesn't feel that way he just says it cause he doesn't know how to react.

it's why everything hurts much more when he kissed hira. hira didn't take that extra step and later on he didn't even reach out with his new number! kiyoi was heartbroken, "you kissed my hand! you said you liked me but then you didn't reach out to me! did you even mean anything you said at all?". with us seeing hira's pov, we could tell why: hira always thought they were in two different levels, a god and a servant, and when kiyoi heard that, everything hurt worse than before. "im not a god!", "i want to touch each other like any other man". of course he'd be upset, he thought out of all people hira would be the one who understood him better than anyone but until the very end, hira didn't understand him at all.

just like kiyoi said, hira could be arrogant sometimes. he didn't try to understand kiyoi he just looked at him and thought "we're from two different worlds. nothing could ever happen" and took it as the truth without even asking or trying to understand.

.....idk if you can tell but this entire review is just me expression how interesting i think kiyoi is. he truly is a fascinating character.

finally id love to point out that, in the end, after hira truly does realize how kiyoi feels and that he is just a man like any other, he stops stuttering around him, there's no reason for him to be nervous anymore. they're on the same floor, kiyoi isn't and never was higher than him, so there's no reason to be anxious about being around him anymore.