The Sixth Century of Tayuan

My pocket was torn "inexplicably" and the medicine I just got was lost. When he found out, he only saw a young man with golden eyes running into the school holding his fever-reducing medicine. It's easy to get it back, and the person has no ability to resist. But Wanyi didn't expect that the bag of medicine would turn into a stone in front of him after returning to the dormitory. Inherited abilities, he thought, were troublesome. What was even more troublesome was that not long after, the boy actually knocked on his door with a girl who looked almost exactly the same. They are here to return the medicine—for real this time, the boy promises. But at this moment the girl spoke: "Cooperate?" In this sunless manor, children with blue eyes disappeared one after another, and he was the only child with black eyes. As for himself, he couldn't even remember how he got in. The white spots on his wrists, something restricted, and the unknown on the other side of the river - Wan Yi vaguely felt that agreeing to this sickly girl might be his only way out. He took the medicine that the other party returned. Last time it was a stone, what about this time?