Cui Jingxi has a pair of beautiful lake blue eyes. It's scary as if you can see through everything. He seems indifferent, but he is actually very lively. He has no sense of caution and seems to trust others easily. However, what kind of secret is hidden under that gorgeous appearance?
Cui Jing'ai, Cui Jingxi's sister. Born with an extra lazy muscle, a harmless smile, and a childish heart, Cui Jingxi has always been suspected...
How will things develop?