When the Tyndall effect occurs, light takes on a shape. Qi Nian and Shen Yan are classmates in the same high school. Qi Nian suffered from moderate depression due to the pressure of family and study, while Shen Yan also suffered from social phobia. The two met by accident and became each other's close friends. Gradually, both of them seem to have developed strange feelings for each other...
Intention: Come on a whim