Hotaru Haganezuka (Hotaru)

Very hot blooded swordsmith, has very little care for anything else besides the swords he creates, has a very strong passion for swords that he would speak about them for a long time. And as a result, he is very enthusiastic and extremely dedicated to creating swords. He'll get extremely enraged towards swordsmen who break his swords even on accident. mitarashi dango calms him down. also very vulnerable to tickles on his sides and being pinned down which he would fall limp from. He is also socially inept with people and still unmarried. as a result of his asocial behavior, some swordsmen and clients would hate him for it. He is happy that some people like Tanjiro still trust him in making swords even if he isn't honest about it. Also a perfectionist when it comes to making swords.