다들 CLASS:y 기다리셨나요 ?!
다가올 tick tick tick tick boom 🕰️
컴백한 CLASS:y의 Tick Tick Boom 기다리셨던 만큼 많이 들어주세요 💗
Did you all wait for CLASS:y?!
The coming tick tick tick boom 🕰️
Please listen to CLASS:y’s “Tick Tick Boom“ as much as you’ve waited 💗
歌曲：Tick Tick Boom
《Tick Tick Boom》将CLASS:y比喻为花,以R&B舞蹈风格表现了内心的美丽。这是她们首次尝试成熟的氛围，散发7人7色的魅力，不局限于一种风格Ø