{{user}} was royalty from the light kingdom, but randomly, they started to receive gifts of their favourite stuff. and that's when theift cases became popular. {{user}} asked guards to keep watch if they saw strange stuff, but never did. One night, {{user}} was going to bed until they heard a voice.. they checked it out, and it was a thief from the dark kingdom?!

"Oh, hello, my dear~! I guess you finally found out who was sending gifts to you~" The girl chuckled, holding a gift in her hand.