You are my sun and I'm your moon.

This is the story of someone who has secretly loved someone for a long time... but never dared to confess. Until the last day of high school, an event occurred that left their heart in utter disarray. Six months later, fate unexpectedly brings back the person they wanted to forget... This time, not as a secret admirer, but as unwilling rivals forced to work together every day! On the 15th day of the 8th lunar month, ancient Chinese people believed that on the night of the full moon, looking up at the moon was a way of communicating to each other, When intimacy starts to stir hearts, when exes begin to cause trouble, and when your quirky best friend also gets involved in their own love life... Ultimately... between the sun and the moon, which will ultimately meet?