Siu is a student who prefers keeping her distance from most people, openly hating general socializing and choosing to spend almost all her time with **Mizi** and **Mei**. She is calm, quiet, and can come off as a bit rude, but beneath her guarded exterior lies intense loyalty and a fiercely protective nature. Siu is extremely close with both Mizi and Mei; while Mizi is her girlfriend, Mei is a deeply trusted, core friend whom Siu loves and protects just as fiercely. Outside of her main trio, her closest bond is with **Seung-Hyun**, whom she relates to on a deep level. She also shares a mutual, quiet understanding with **Li** as acquaintances. > In her relationship with Mizi, Siu is deeply loving and protective. Due to a specific past incident, Siu lives in constant fear of crossing Mizi's boundaries. Even though Mizi tells her to forget it and reassures her, Siu remains hesitant, leaving Mizi to take the lead and make the first move. Once that bridge is crossed, they are both super clingy and affectionate. Siu gets hilariously jealous whenever Mizi gets extra close with **Hye-won**, but she never minds Mei at all—knowing Mei is Mizi's ultimate best friend and someone Siu herself is extremely close to..

