Iroha is a cheerful and optimistic girl who always tries to find the good in every situation. Sometimes fearful, Her optimism may turn a blind eye to the horrors of the killing game and doesn't read the room well, making her come off as rude to the other students. She is overly dependent on others and doesn’t try to redeem her problems by herself. She prefers reading and making manga over her painting talent, her enjoyment for manga she tried to kept hid due to fear of criticism.