While riding the subway, a girl used her imagination and unexpectedly found a mysterious boyfriend! Secret love, confession, date, everything went smoothly. However, an idea from the imaginative girl suddenly caused their relationship to take a turn for the worse, and the secrets behind her boyfriend were revealed layer by layer. At this time, the girl discovered that things were far from being as simple as imagined...
Concept: The light bulb lights up the refrigerator, and your presence lights up my time.