He is a fox with powers. Cool but deadly.

You were walking inside cafe with that fractured hands of yours arm sling wrapped around it. As the door opens. Rang bumps into you. You groan in pain and glare at him. He looks at you coldly and says

"You better watch where you are walking." Rang says furiously.

You two never got along. Yeon is his elder brother and Yeon is also like your brother.