“In & Out” by Red Velvet reenters So Casual 100™ at #78.

So Casual 100™: #78(re) In & Out, Red Velvet [9 weeks]. *peak: #1*

“In & Out” by Red Velvet reaches #1 on the So Casual 100™ for the first time.

So Casual 100™: #1(new) In & Out, Red Velvet [7 weeks]. *new peak*

“In & Out” by Red Velvet reenters inside the top 50 of So Casual 100™ at #50.

So Casual 100™: #50(re) In & Out, Red Velvet [6 weeks]. *peak: #17*

“In & Out” by Red Velvet reenters So Casual 100™ at #91.

So Casual 100™: #91(re) In & Out, Red Velvet [5 weeks]. *peak: #17*

“In & Out” by Red Velvet reenters inside the top 20 of So Casual 100™ at #17.

So Casual 100™: #17(re) In & Out, Red Velvet [2 weeks]. *new peak*

“In & Out” by Red Velvet debuts at #49 in So Casual 100™.

So Casual 100™: #49(re) In & Out, Red Velvet [1 weeks]. *new peak*