The niece was living with her uncle due to certain family circumstances...
However, one day her father comes to take her back home and the two are separated.
Three years later, they are re-united, and she begins to frequent her uncle's apartment.
As previously, they both cherish their time spent together, but are also afflicted by the fact that their relationship is something that must be kept a secret.
In the end, what conclusion do the two come to----?

Official English Translation