Japanese Kanji Head Band in Netflix “Little Witch Academia” season 2

Hey, I realized a Japanese animation produced by Netflix came out with season 2! Its name is "Little Witch Academia". The Main character Akko is kind of a lovable person but I think the cutest one is Sucy. She is the witchest witch in the main group. That's so cute. ......No? What does Japanese kanji on Akko's head band say? In the first episode of season 2 the fairies make a labor union, did you notice Akko was wearing the Japanese kanji head band? That kanji word "団結" means "unity". I've never seen a unity head band anywhere else but I guess she made it to be a part of…