Responses
These are memories, Hyo-un was able to react to mc was because these are vivid memories, the feelings each individual had in that memory is engraved and felt by Hyo-un untill now. They reacted to him because probably that's how they would react if they were to see him during those times. But idk, maybe I'm wrong
HOW? Omg what is happening? How is the present able to manipulate the past? This is gonna be huge oml