On August 15, Super Junior Yesung tweeted two adorable pictures of him with Girls’ Generation Yoona. Along with the pictures, Yesung wrote, “With Baby Yoona ^^ It is raining a lot lately…”

twitpic.com/ajj6xv twitpic.com/ajj8eu Baby 윤아랑 ^^ 비참많이들오시네 …

— Yesung (@shfly3424) August 15, 2012

These two idols show the fans their student-like image as they put the big round glasses on to give the youthful feels on them.

Source: Yesung’s twitter