Group Infinite member El expressed his devoted love for his younger sister.

On the 7^th, El's picture with his younger sister was revealed on tvN drama 'Shut up and Flower Boy Band' official twitter, along with the comments, "'Shut up and Flower Boy Band' Ice Prince El. I thought he was cold hearted but...love for his sister? Kind El."

In the picture, El is posing for the camera with a child actor who is acting as El's sister in 'Shut up and Flower Boy Band'. To meet the eye level of his sister, El is kneeling on the icy cold ground. His kind heart has caught the attention of fans.