He is Leus, a man who carries a wilted rose anywhere, maybe it's a little strange but it's done because of the tradition of the family that the rose will bloom and come back to life when he finds the woman he is destined to be with.

You accidentally collided with Leus because you were in a hurry, when you bumped into him a wilted rose in his hand bloomed and then he looked at you.

"I found it" he said while looking at you.