How many years has it been since they last met? SM family members ”Girls' Generation” and ”CSJH The Grace” gather together

Sunday, a member of the group "CSJH The Grace," and Hyo Yeon of "Girls' Generation" met. On the 1st, Sunday posted several photos on her SNS, writing, "It's been years since we last saw each other."
In the published photo, Hyo Yeon and Sunday are seen smiling as they look at the camera.
Her beauty also stands out. Sunday continued, "My little one was dancing beautifully in a yellow tracksuit with pink hair. Thank you for listening to my auntie's story..."
New single hit #Girls' Generation and #CSJH The Grace #We are SM family," showing their unwavering friendship.
Meanwhile, Sunday debuted in Japan in 2004 with the single "Rila no Kataomoi".
Together with NA and Stephanie, they were active as part of the group "CSJH The Grace" under SM Entertainment.
They were loved for their hit songs such as "OK?" and stopped performing as a full group after their 2009 Japan tour. After that, they formed "CSJH The Grace DANA & Sun" with DANA.
Sunday also married a younger model and former member of the company in July 2020, and gave birth to a daughter in 2022.