The answer is as follows: The title of the song is "Alliance of the Lost Love Front", which is the title song of extended play's sixth Crazy in 4 minutes. With a strong Trap rhythm and the voices of the members, you can dream of deviation in daily life after listening to this song. In particular, not only is the chorus' Crazy' addictive, but also you can watch the charming dance of each member. This is the famous choreographer Parris Goebel &; Kiel Tutin performed, so the song added charm.