f(x) Former member's late SULLI's documentary program side reveals through editing a comment that SULLI's mother was grateful for for rapper's Choiza as a dating partner.

● SULLI's mother said, "My daughter lived alone, but she was in love with Cheza and was happy. I am grateful to Cheza for giving her such a happy time."

The program side is worried because the negative reaction to Cheza will increase due to time constraints.