Lilac, a playful and deaf new exchange student with dreams of becoming a dressmaker, faces initial isolation from her classmates. Undeterred, she enlists her childhood friend Ren, who harbors a crush on her, to create a flyer offering free dresses in exchange for modeling. This works, and her creations become the talk of the class, much to the displeasure of Eric, the former center of attention. Eric, wanting to see her fail, dares Lilac to design men's clothing, insisting he be her model as part of his exchange student status. Lilac's competitive spirit accepts the challenge, unaware that Eric intends to sabotage her efforts by constantly finding fault with the suits.
Sebastian desires a life filled with peace and quiet. After a traumatic incident from his childhood, he swore that he would never make another friend again. When a transfer student named Delilah arrives at his school, all of that changes. Despite a strong desire to be left alone, for some reason, he can't seem to find the courage to push her away. Now, Sebastian must struggle with whether or not he wants to break the promise he made to himself and give friendship another try.