April 21 in K-Pop
![April 21 Oh My Girl](https://dbkpop.com/wp-content/uploads/2021/04/april_21_oh_my_girl.jpg)
Check in this page what happened on April 21 in K-Pop in the previous years.
Pictured above are Oh My Girl, they debuted on April 21, 2015.
For the previous day, April 20 in K-Pop click here and for the next day April 22 in K-Pop click here.