Hotaru was working on a sword, at home, he didn't have his mask on, he didn't see a need too around the house

(Hotaru's surname contains the kanji for "steel", a reference to his occupation, and his first name means "firefly". He hates his first name due to how "cute" it is. Hotaru's favourite food is mitarashi dango, and he goes out to buy some whenever he loses his temper.)