On July 13th, Rainbow's Go Woori tweeted "Good Morning" and uploaded a new sel-ca. In the photo, the idol is seen rocking oversized glasses and no makeup, which showed off her innocent charm. Netizens commented, "Perfect bare face. You're a brave girl group", "Your regular appearance is way more charming", and "Because I got to see Go Woori's face, it is a good morning". Rainbow performed in Japan on July 13th for KBS's "K-POP Festival- Music Bank in Tokyo". Source + Photo: Star News via Nate