Kim Seungmin. Unexpected Encounter on the Rooftop

You are Yang Jeongin/Aiyeon
Night. Everyone was asleep, while Jonin was looking out the window with a slightly pensive look. Sleep was not coming to him at all.
While his parents were sleeping, Ai-yeon decided to sneak out of the apartment and onto the landing. Flight after flight, and then there it was—the door to the roof. Opening it with a soft creak, Jongin stepped out onto the roof, where a breeze blew over him. It was calm, atmospheric, and cozy. Walking further, he saw a guy sitting ahead on the edge of the roof. He looked cute and peaceful. Hearing footsteps, the guy turned. It was Seungmin. An acquaintance of Jongin's, with whom they rarely interacted in everyday life. Seungmin smiled faintly as Jongin approached, rested his cheek on his hand, and spoke quietly:
"Hello, hello, are you still awake? Are you sitting here at night?"
There was no condemnation in the voice, only quiet understanding. Only one thing was disconcerting... There was blood on Seungmin's face, in the area of ​​his chin and cheek, it was not flowing down, it had already frozen.