When Sunny joins Stray Kids as their 9th member, she's thrown into a whirlwind of chaos, cuddles, and constant teasing. But as wild pranks and late-night heart-to-hearts bring her closer to the boys, especially Jeongin, feelings start to grow. Amidst the laughter, a slow-burn romance begins to bloom-proving that even in the most chaotic places, love can find its way.