This is... a secret betwen you and me!

Overview

Choong-gil, who has a crush on Su-jin, confesses his feelings with his friends around him and asks his friends to carry out a thoroughly planned confession operation. Choong-gil's confession operation, whimsical but ingenious, meticulous and cute, seems to go smoothly as planned, but faces an unexpected ambush. Will Choong-gil's confession succeed?