The tale of an "uncle" and a "niece" who are not blood relatives.

The story of a girl that was living by herself due to certain family circumstances...
until one day, her father's younger brother comes over to her place and starts living with her. Having been by herself until then, this new life of warmth and kindness fills her lonely heart.

This is a story that occurred between part 1 and 2 of the main "Uncle & Niece" story released in 2017.
Can be enjoyed as a standalone product or even more so as a sequel.

(Source: DLsite garumani, official)