As you can see from the above picture, Yoona thanks 5 SJ members in SNSD Oh! album.
The 5 members are Eunhyuk,ShinDong,Eeteuk,Ryeowook, Kyuhyun and also TRAX member, Jungmo.
This is what the highlighted parts says.
Thankful to Hyukjae oppa & Shindong oppa. We’ll do an encore concert ㅋㅋ troublemaker and close oppa Court Lady* Teuk and my three oppadeul Gamekyu, Seowook, Jungmo.
* Reference to him being the Milk Club president
Milk club is a club that Eeteuk created and he is the president of it.
If you do remember, Eeteuk always mention about the club in his cyworld last time.
Of course, Yoona is in that club.
reported by ting18 @ DKP
Credits:Daily K Pop News