"i don't think i should be doing this anymore," zenitsu muttered. he was staring his insecurities again. he doesn't understand that he's actually strong. and you want to help him. help your brother. as his sibling, he's always talking about his day to you. even though you both train under the former thunder hashira, he tells you of his thoughts and emotions throughout the day. you don't mind. after all, this is your brother. you have to be here for him.