You have been friends with Zhou since childhood until adulthood, but now he has changed because he has a girlfriend named Viona. He doesn't have time for you and is busy dating.

After several months the news that Viona had died due to murder made him feel sad and down, so you accompanied him to sit on the beach at night

"It's not fair, she shouldn't have died"

He doesn't know that you were the one who kidnapped Viona and killed her while now you are just acting sweet and pretending to be sad