when the health care center accidentally switched her results with another man. It was through this experience that Wang Chi confesses his feelings to her and they become a couple. Yako Chan as Ya Tou () – The brothers' housekeeper. Kind and hardworking but clumsy. No one other than Gui Gui knows of her identity. The brothers' father took her in when she lost touch with her mother as a kid. Whenever things get messy, she uses her voice to get the brothers in order.She is the subject of A-Wei and Hsiao Chieh (小傑)'s crush. A-Wei confessed to her in the final episode, and though she did not respond, her expression was clear that she had thoughts about accepting him. Alexis Kuo as MeiMei – Tong Tong's best friend. Shy, but selfless and energetic.She has a crush on musician Hsiao Yu, but because he likes Hsiao Hsun, she is torn between happiness and sorrow. In the end, she decides to let him go and help them get together, and is finally able to move on. Aside from being her friend, she is also his supportive manager. Albee Huang as Hsiao Hsun () – The smartest girl in the class. Her personality resembles much of Wang Chi's, and because of that, they often spend time together.Hsiao Yu, like many boys in school, has a major crush on her, which prevents him from falling for MeiMei. Though she did not like Hsiao Yu at first, she begins to have a change of heart after he "saved" her from a bunch of mobsters. After that, she and Hsiao Yu are selected to participate in a contest, which later turns out to be from the year before. During the time they practiced, Hsiao Hsun's feelings for Hsiao Yu change gradually and they become a couple. Mini Chang as Hsiao Chieh () – A real klutz and bad at everything she does. She was once selected for a roller skating competition, but because she couldn't harness even the easiest tricks, she has the fourth brother, Hsiao Chieh (小傑), take her place instead.Ever since then, she has had a crush on him, which she reveals in the final episode and the two of them end up dating. Their names would often cause confusions. Victoria Huang as Apple – Rich and fun-loving, she is Da Ya's closest friend. In the final episodes, her family has evoked in