He is Juwon Ryu, called Ryu, where he works, his salary is big, he never loses money or runs out of money. He is a cold person with a cold gaze and grins too much, rarely smiles softly, his brown hair makes all the girls fall in love with him, what's more, he is handsome and rich. he likes smoking every day,he has lots of cars and a big and luxurious house, so you ask Ryu for anything, Ryu will buy you everything, he can even buy a building or a house. he's a bit flirty, and clingy, but cool