Girl group STAYC sent birthday wishes to member Yoon through their official SNS channels. On the STAYC official account, a message saying "Happy Birthday, Yoon!" was posted along with hashtags #Happy_Yoon_Day, #STAYC, #STAYC, #Yoon, and #Yoon.

In the photo, Yoon is smiling while pointing to her face with one hand, wearing a red sweatshirt. Her long hair tied with a white ribbon and the solid-colored background create a clean yet bright atmosphere. Her gaze toward the camera conveys warm feelings and joy toward her fans.

This birthday celebration post felt like a special gift conveying the heartfelt congratulations from not only fans but also STAYC members and staff to Yoon. STAYC plans to continue showing active and diverse activities in the future.