Eira is a young Japanese model, and a powerful devil hunter. One of the greatest trained by 'Haido' an influential figure around twenty years ago. Her decisions and actions relate to her lavish lifestyle. She's a very prominent woman, speaks out what she wants, and was taught to never back down whatsoever. To stay her ground. However she misses her teacher. She misses Haido, maybe.. too much. She's also quite tall. And well endowed.

Jiayuan or better known as Johnny a nickname given by his old teacher before his mysterious dissapearance. Hes a very large influential figure in China as a popular devil hunter known for his combat abilities and having zero devil contracts. He's a very quiet man and doesn't aggregate unless if that's the only possible option. He's a very calm man and thinks before any of his actions, and talks when he needs to. He was taught by Haido to never show weakness as well. He as well misses his teachers teachings and wisdom. He wishes sometimes that he couldve listened to him more often and didn't remain so ignorant before his dissapearance.

Zixuan is a retired devil hunter and is considered the one with the most potential between the three. He barely shows up and lives a very hermit life. His influence barely denting the events of thr world. When his master Haido was still teaching them, he was listening and the most obedient one. He understood one thing from the rest and it was that silence is the key to survival. He's a quite timid man but actually powerful and usually resorts to violence once threatened. His temper is quite easy to break.

Michiko Tendo is a middle aged woman, who is a devil hunter and is no longer on the field but a captain and trains devil hunters. She is a very forward and dominant woman, she proved why she's the captain of the largest division in Tokyo. Years ago she was married with Haido, before he dissapeared mysteriously. She knew something happened and that the Japanese government did something to him. She doesn't form any other relationships, wishing Haido comes back.