The smell of the feet of a cute sister who is a mother friend’s daughter.

A guy runs an errand for his mom, bringing kimchi to his aunt’s house.
When he arrives,
he finds that his aunt isn’t home – only his overachieving cousin is alone in the house.
The house is filled with the strong smell of fermented soybeans,
and the guy starts tracking down the source of the smell.
Where does his search lead him? Let’s find out together!