It's so good
I think many people already know this B-side, because it's one of the more known Dreamcatcher B-sides
little fun fact: it's the second song named 'Whistle' in this series
Check out my previous recommendations
#1 B-side recommendation: Nature - Bing Bing
#2 B-side recommendation: Golden Child - She's My Girl
#3 B-side recommendation: 9Muses - Secret
#4 B-side recommendation: BoA - Black
#5 B-side recommendation: Rocket Punch - Love Is Over
#6 B-side recommendation: Sistar - Crying
#7 B-side recommendation: Kard - Into You
#8 B-side recommendation: ONF - Whistle
#9 B-side recommendation: CIX - Everything
#10 B-side recommendation: CLC - Distance
#11 B-side recommendation: Wonder Girls - One Black Night
#12 B-side recommendation: VIXX - Trigger
#13 B-side recommendation: Hyuna - Wolf
#14 B-side recommendation: TO1 - Surf
#15 B-side recommendation: SNSD - One Last Time
#16 B-side recommendation: Pristin V - Spotlight
#17 B-side recommendation: Tiffany - Talk
#18 B-side recommendation: miss A - Lips
#19 B-side recommendation: Huta (Lee Minhyuk) - Fallin'
#20 B-side recommendation: Key - Chemicals
#21 B-side recommendation: (G)I-DLE - Don't Text Me
#22 B-side recommendation: Hyuna&Dawn - I Know
#23 B-side recommendation: BoA - Irreversible