“Heart Attack (츄)” by Loona spends its 40th week in So Casual 100™ this week.

So Casual 100™: #24(+6) Heart Attack (츄), Loona [40 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters inside the top 20 of So Casual 100™ at #19.

So Casual 100™: #19(re) Heart Attack (츄), Loona [38 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters inside the top 50 of So Casual 100™ at #25.

So Casual 100™: #25(re) Heart Attack (츄), Loona [37 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters So Casual 100™ at #85.

So Casual 100™: #85(re) Heart Attack (츄), Loona [36 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona climbs inside the top 50 of So Casual 100™, rising 28 spots to #34.

So Casual 100™: #34(+28) Heart Attack (츄), Loona [31 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona spends its 30th week in So Casual 100™ this week.

So Casual 100™: #62(-31) Heart Attack (츄), Loona [30 weeks]. *peak: #10*

Loona's "Heart Attack (츄)" is now certified Gold in the So Casual Charts.

Awarded for selling over 500,000 units worldwide.

“Heart Attack (츄)” by Loona reenters inside the top 50 of So Casual 100™ at #31.

So Casual 100™: #31(re) Heart Attack (츄), Loona [29 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona climbs inside the top 50 of So Casual 100™, rising 14 spots to #48.

So Casual 100™: #48(+14) Heart Attack (츄), Loona [27 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona climbs inside the top 50 of So Casual 100™, rising 9 spots to #43.

So Casual 100™: #43(+9) Heart Attack (츄), Loona [24 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters inside the top 50 of So Casual 100™ at #42.

So Casual 100™: #42(re) Heart Attack (츄), Loona [21 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters inside the top 50 of So Casual 100™ at #46.

So Casual 100™: #46(re) Heart Attack (츄), Loona [20 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters So Casual 100™ at #98.

So Casual 100™: #98(re) Heart Attack (츄), Loona [19 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona climbs inside the top 50 of So Casual 100™, rising 35 spots to #24.

So Casual 100™: #24(+35) Heart Attack (츄), Loona [13 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona climbs inside the top 50 of So Casual 100™, rising 37 spots to #43.

So Casual 100™: #43(+37) Heart Attack (츄), Loona [11 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona spends its 10th week in So Casual 100™ this week.

So Casual 100™: #80(-9) Heart Attack (츄), Loona [10 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters So Casual 100™ at #55.

So Casual 100™: #55(re) Heart Attack (츄), Loona [8 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters inside the top 50 of So Casual 100™ at #31.

So Casual 100™: #31(re) Heart Attack (츄), Loona [7 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters inside the top 50 of So Casual 100™ at #42.

So Casual 100™: #42(re) Heart Attack (츄), Loona [6 weeks]. *peak: #10*

“Heart Attack (츄)” by Loona reenters inside the top 10 of So Casual 100™ at #10.

So Casual 100™: #10(re) Heart Attack (츄), Loona [4 weeks]. *new peak*

“Heart Attack (츄)” by Loona reenters inside the top 50 of So Casual 100™ at #30.

So Casual 100™: #30(re) Heart Attack (츄), Loona [3 weeks]. *new peak*

“Heart Attack (츄)” by Loona debuts at #66 in So Casual 100™.

So Casual 100™: #66(re) Heart Attack (츄), Loona [1 weeks]. *new peak*