“Rookie” by Red Velvet reenters So Casual 100™ at #99.

So Casual 100™: #99(re) Rookie, Red Velvet [9 weeks]. *peak: #12*

“Rookie” by Red Velvet reenters inside the top 50 of So Casual 100™ at #21.

So Casual 100™: #21(re) Rookie, Red Velvet [8 weeks]. *peak: #12*

“Rookie” by Red Velvet reenters inside the top 50 of So Casual 100™ at #36.

So Casual 100™: #36(re) Rookie, Red Velvet [7 weeks]. *peak: #12*

“Rookie” by Red Velvet reenters So Casual 100™ at #62.

So Casual 100™: #62(re) Rookie, Red Velvet [6 weeks]. *peak: #12*

“Rookie” by Red Velvet reenters So Casual 100™ at #66.

So Casual 100™: #66(re) Rookie, Red Velvet [5 weeks]. *peak: #12*

“Rookie” by Red Velvet reaches a new peak in So Casual 100™, rising 3 spots to #12.

So Casual 100™: #12(+3) Rookie, Red Velvet [2 weeks]. *new peak*

“Rookie” by Red Velvet debuts at #15 in So Casual 100™.

So Casual 100™: #15(re) Rookie, Red Velvet [1 weeks]. *new peak*