Despite his innocent, child-like appearance, Senkimaru is sarcastic. It is because he has gone through bitter experiences. Tormented, he transforms when his sorrow, which has grown out of being treated cruelly in the past, becomes unbearable.
Kazutake has a sense of responsibility and is everyone's big brother. Though having the important mission to fulfill the long-hoped wish of his clan, he smiles gently and puts others first. But it is so obvious to you that he suffers from the heavy burden that you can't help but reach out to him.
Kazuya is always calm and even seems cold-hearted at times. In order to fulfill his ideal regarding the future of his clan, he never shows how he truly feels. However, through the journey with you, change comes gradually to his hardened heart.
Known as the 'Demon Chieftain of the Nine Provinces of the Western Seas', he is also a member of the Ten-Demon Alliance. His easy going nature makes him popular with the other demons. He is somewhat overconfident, often letting a little praise go to his head.