R&B singer Dean, who the late singer-actor teamed up within the track "dayfly," took to his Instagram Stories to express his grief.
"Your voice will raise a question that will weigh heavily upon many people for a long time. I sincerely thank you and am sorry. I will remember you," he wrote.
Singer-actor Nam Tae Hyun posted a photo of Sulli and wrote, "I will live with gratitude for your boldness and what you have achieved. I hope you will rest in peace."
Fellow singer Solbi published a photo of sunshine above the clouds.
"The memories of passing by you backstage when you were young and the sides of Sulli that I saw through broadcasts and media were so beautiful and confident. Many people loved those carefree sides of you. I will remember your flower-like beauty just as it was. I hope you can rest comfortably now...Rest in peace. I love you, Choi Jin Ri," she wrote.
Another singer, Shinji, shared a photo of the sky filled with clouds and left the caption:
"Saying my farewell now as I was emotional the entire day yesterday...I sincerely hope you will be comfortable and happy in that place and that you will smile a lot with your beautiful and bright smile."
Singer/songwriter/actor Jang Kiha posted a plain black image on his Instagram page and said, "I hope you will be at peace."
The musical duo Norazo wrote a heartfelt message for the late star.
"I pray that you will not be cold on your way there. The world loved you! I hope you will momentarily forget the hearts that hurt you because they have a hard time expressing love and that you will rest in peace. I felt great joy and pride just to be able to work in the same generation as you.
Later on, let's all meet on the stage of heaven and sing songs of joy without sadness.
Thank you. Goodbye."
Award-winning actress Jung Ryeo Won shared a photo with the text, "You are beautiful. You are worthy. You are enough." She then wrote in her caption: "You are missed."
More and more artists are paying respect to Sulli, and a plethora who put a halt on their activities are SM Entertainment artists, BTOB, NU'EST, Kang Daniel, SF9, Seventeen, WSJN, AB6IX, IZ'ONE, among others. Sulli's former bandmate Amber, who just left SM earlier in September, announced that she will also postpone her forthcoming schedules.
