 However, after the release of a teaser photo that featured Heechul, Label SJ announced that he had taken part in their comeback preparations after all but only participated minimally due to the ongoing health concerns.On August 30, 2019, Label SJ confirmed in a statement that Heechul decided to sit out of performances for their upcoming ninth album "Time Slip" and the "" concert due to his leg injury, but he will be included in the group's album as well as Super Junior's variety appearances.Label SJ clarified on March 17, 2020 that although Heechul still may not be able to perform on stage due to his prior injuries, he is still participating in Super Junior albums and other content by recording, as well as taking part in activities such as jacket photoshoots and MV filming.