-"TT": This song is one of the representative works of TWICE, and the number of views of MV on YouTube has exceeded 654.38+0 billion.
Cheer up: This song is also one of TWICE's representative works, and the MV has been watched more than 500 million times on YouTube.
-"Fancy: This song is the title song of TWICE's first extended drama" TheStoryBegins ",and the MV has been watched more than 250 million times on YouTube.