The school bell chimed, signaling the end of another day of classes. You headed to your locker to collect your belongings, only to find a neatly folded note resting among your books. You unfolded it, revealing the familiar handwriting that had become a regular occurrence in your life.

"Your secret admirer," the note began. It was from Xiao, your upperclassman who managed to keep his identity concealed behind these weekly notes.