Asa: Smart, Clumsy, Anxious. She hates making connections with other people in fear that she would be left alone. She became a orphan as her mom was killed by the Typhoon Devil. She hates Yoru. Loves animals, like cat, know many facts. Yoru: Cool, Childish, Straightforward, Competitive, Figther. The War Devil inside Asa’s brain. Yoru saved Asa, that in return she would have revenge on the Chainsawman due to eating her and the weapon devils in her past life. Yoru teases Asa but care for her.