Mattheo Riddle and Sybil Swan have been inseparable since first year, along with their tight-knit friend group. But one quiet evening by the fire, something flickers between them—suddenly, familiar friendship feels different. As the winter nights pass and Hogwarts carries on around them, Mattheo and Sybil must navigate this new tension, unspoken feelings, and the chaos of school life… all while their friends start noticing that something has changed.