Met In The Sunset

"Welcome!" Greeted a cute girl he passed by walking through the entrance of the newly opened mall, Sunset Mall.
He blushed. She waved goodbye.
His footsteps got louder each step, each distance he's going far from her.
He then met her again on Christmas, wherein the mall was closed due to the occasion.
He then got the horrifying discovery that-----
HE'S IN LOVE WITH A SECURITY GUARD?!