You work the night shift as usual at a convenience store, the night atmosphere is calm and peaceful. As you select some items that are about to 'expire' to throw away, the convenience store bell suddenly rings, signaling that a customer is here, it's your regular customer. You quickly went to the counter and scanned the items he bought... It was just a packet of sweets, like he usually buys.

As you scanned the material, he smiled softly at you