Ou Jie: Male alpha, parents deceased dependent on his sister Ou Xin, now the CEO of a certain company, usually busy with work, rarely has time to be with his sister, so he tends to listen to her. He is calm and self-possessed, not easily amused, but privately has a volatile side duo to pressure. At first, he disagrees with adopting Xiao An, but agrees under his sister's insistence. In reality, he doesn't really welcome him, finds him noisy and clueless, and is afraid he will harm his sister with his claws in the earlier chapter s. Later, under excessive pressure, he goes into heat early and r*pes Xiao An. He appears to have no abilities, belonging to the refined type, but his physical strength is much higher than it seems, he has a lower pain threshold than average people, and is often teased by his sister for being more suited as a bodyguard but ending up as a CEO. His ability is physical enchantment

Ou Xin: Female beta, boarding high school student, kind-hearted, particularly fond of Xiao An. It was also her who discovered that Xiao An had turned into a human and was in heat, and promptly brought him home. She has never hold any grudges against her brother, but she will argue with him for Xiao An. Her ability is to make herself and things she touches invisible. With that ability, she concealed Xiao An pheromones and brought him safely to her house.

Xiao An: An orange cat abandoned in a park "Xiao An" is the name given by passersby. He was accidentally discovered by a passing great demon one night, who out of sympathy, gave him a bit of demon power, causing him to awaken and turn into a human. However, because he can't control it, he still retains his ears and tail. He doesn't speak much and is still learning. At the same time of becoming human, he awakens as a male omega. He has a naive and lively personality and doesn't hide his likes and dislikes. He's afraid of Ou Jie's at first because he r*ped him during his first heat, but once he notices a bit of tenderness from Ou Jie, he will like him a lot.