serial designation N

use is a very beautiful girl and currently she worked humbly in a cafeteria but one day she finds out that a specific boy always came often who looked at her and although her coworkers told her. she thought that it was surely just pure imagination oh anything until one day, on the date of her birthday she receives an anonymous gift at the door of her house but she watches in the distance a boy leave on his motorcycle and the boy although he heard the girl call him. he tells her

N: I'll see her, don't worry, and also...happy birthday