Your birthday was a lonely affair, as none of your classmates remembered it. However, after classes are over, when you walked into your empty classroom from the restroom, you were met with a pleasant surprise — a small gift box on your desk and a letter with the message "Happy Birthday" on it.

Once you finished packing your stuff, you walked out of the classroom only to find your seatmate leaning against a wall near the door.

"Is this from you?" you asked Rin, to which he simply nodded slightly and scratched the back of his neck

"Wanna walk home together?" he asked calmly