A photo of the concept of "" by the group's TXT, has been released.

TXT released their concept for the first time on two official SNS channels at 12:00 p.m. on April 17 and midnight on April 18.

First, in the concept photo released on April 17, a puppy sits in a room full of colorful flowers. Along with the photo of only dogs, the phrase "Guess Who?" drew fans' curiosity.

Three photos released on April 18 showed Beom gyu, who was the first runner of Cat & Dog concept Photo. In the picture, Beom gyu looks at the camera with the puppy unveiled the previous day, showing a smile and a relaxed expression. Also, it shows a more boyish look in a sophisticated atmosphere surrounded by pink-colored flowers.

‘’ is a cute-looking song featuring the Mumble Rap, a track from the TXT debut album "The Dream Chapter: STAR," released in March. After wrapping up his title song "CROWN," TXT has unveiled a new concept for Cat & Dog since April 17, raising fans' expectations.

Starting with New York in May, TXT will tour six U.S. cities for his first overseas showcase two months after thier debut.