Oops, I Fell into a Werewolf Den

Six years ago, the bullied Evelyn had a one-night stand with Raymond, the wolf king, and disappeared while pregnant. Six years later, when her son suddenly grows a wolf tail and is wrongly diagnosed with atavism, she works herself to the bone to raise money for the surgery—little does she know, the child is the wolf king’s only heir, and the man who has searched the entire city for her has already laid a trap she can never escape.