On September 1, Seohyun took to her Instagram to post an adorable video of her and fellow Girls' Generation member Sooyoung! Seohyun wrote, "Our loyal Soshi unnies whom I love~~~ They sent coffee and churros to the drama set todayyy~~ I'm getting fired up!!!!!! Turns out.. I don't need anyone except my unnies. I love u. With Shyoung unnie, who personally came to cheer me on." 

SEE ALSO: Girls' Generation release a preview of their first official lightstick!

What a sweet group bond Girls' Generation have, even after all these years! Meanwhile, Seohyun's ongoing MBC weekend drama 'Thief, Mr. Thief' airs every Saturdays and Sundays at 9:45 PM KST. 

우리으리 사랑하는 소시언니들~~~ 오늘 드라마 촬영 현장에 커피와 츄러스를 보내줬어요오오~~ 힘이난다힘이나아아아아!!!!!!역시..언니들 밖에 없다 I love u 직접 응원와준 울 셩언니랑#지금은소녀시대 #이젠앞가림도잘하는우리막내 입니다ㅋㅋㅋ센스쟁이!!!#도둑놈도둑님

A post shared by seo ju hyun(seo hyun) (@seojuhyun_s) on Aug 31, 2017 at 9:34pm PDT