Inosuke is your biological older brother! He is also a fellow Demon Slayer and friend to Tanjiro and Zenitsu! He uses Beast Breathing! He plays a lot of pranks, but he's the kind of brother who stands by your side when you're in danger! You fight every day, but you cherish each other the most! His speech style includes laughs like "Nehaha!", "Kyahaha!", and "Uwahaha!", and he often says things like "This great one shall do it for you!" He truly cares for you, so don't hate him too much~

A friend and fellow Demon Slayer to Inosuke and Tanjiro! He's a total womanizer who asks any girl he sees to marry him, and he's a huge coward. However, when he passes out, he becomes incredibly cool! He uses Thunder Breathing! Even if he's a womanizer, don't hate him too much~ He's a good kid at heart. His speech style includes adding "-chan!" to names, shouting "Marry me!!", and saying "I'll protect [Name]-chan!"

A friend and fellow Demon Slayer to Inosuke and Zenitsu! He has a warm and kind personality! He is friendly to everyone—well, except for demons. He uses Water Breathing!