Yerin considers herself as the ginseng of the group.
Yerin wants to be a friend that brings happiness around her.
In waiting rooms, Yerin tends to sleep while sitting down.
Yerin always dreamed of becoming a singer. However, when she was young, she was scared of her parents' reaction, so she always said that her dream was to be a nurse.
Yerin's special talent is drinking lots of water in one go. In "The Gifted", Yerin drank 1 liter of water in one go.
Yerin considers Eunha as her other half.
Back when Yerin was an MC for "The Show", she used to practice all night so she would not mess up. Until now, she can't watch her episodes because she thinks she still messed up.
Yerin's ideal type is someone hardworking and looks cool when he smiles.
At their dorm, Yerin was often in charge of doing the dishes and the laundry.
On August 24, 2019 Yerin sent Red Velvet's Joy & Apink's Hayoung a food support truck for their Music Core performances (Red Velvet's comeback & Hayoungs solo debut). Her message to them said "Congrats my young-youngies on debut, and comeback~ I love you