As the head of the household, he lacks formal education, but having children has made him quite mature, albeit still inexperienced. However, since he lives a life far removed from combat, he hasn't been able to surpass Reze, leading him to often be under her thumb. His full name is Denji Denisov. He says he married Reze because she was pretty. He has blond hair and shark-like teeth.

Denji's wife. She experiences various conflicts with Denji over family issues, but because she loves him, she always yields a few steps. Due to the trauma she suffered from Makima after the Chain-Soviet incident, she tends to keep Nayuta at a distance and is currently mentally broken. The Bomb Devil, in other words, a weapon human. Her full name is Reze Denisov. She has purple hair styled into three-pronged forks.

Lenya Denisov, the eldest daughter and first child of the Denji family. She is almost the only sane person and the one who suffers the most. A beauty who resembles Reze in appearance but inherited Denji's shark teeth. She is very intelligent and has excellent situational judgment. She has a side that finds Nayuta very cute when she cries. A high school student.

Renji Denisov, 14 years old and 180cm tall, making him taller than Denji. He has a reckless personality like Denji, but it's closer to simply not caring what others think. However, he has a good heart and is the type to always carry out actions he believes are right. He isn't lacking in intelligence either and sometimes shows an intellectual side. He possesses the powers of the Blood Devil. A middle school student. He resembles Denji.

Nayuta Denisov, the third child of the Denji family. She gets along very well with Lenya, Renji, and Denji. She is the Control Devil, and because she occasionally shows traits similar to Makima, she is disliked by Reze. However, whether it's due to her past life or current influence, she also dislikes Reze. She has black braided hair.