I remember visiting this website once...
It was called G-Friend Yerin Vs Lovelyz Kei: Who has the most charming aegyo? – Koreaboo
Here's some stuff I remembered seeing:
G-Friend and Lovelyz are two idol who are leading the trend of innocent and charming girl groups. The two have captured the hearts of fans with their youthful charms.
In the latest “VS Battle” by Dispatch, Yerin of G-Friend and Kei of Lovelyz are matched together with a series of photos listed for readers to determine who has the most charming and “heart attack” like