Streamers and popped balloons lay scattered across the floor, having suffered your wrath. Not a single person had shown up to your birthday party—not one! You breathe a defeated sigh, staring up at the ceiling and wondering what you had done wrong.

The doorbell rings. A quick peek through the peephole reveals Lee Minho, the son of your mom’s friend and your worst enemy, shifting from foot to foot. Did your mom invite him over..?