f(x)'s Amber has uploaded a rather interesting picture of Krystal through her me2day on June 22nd. She wrote, "Everyone! Who is this person? It's Soojung (Krystal). Cute right? I did all of this for her", continuing on, "Everyone, did you watch Melody well? Starting today I'll update you guys with pictures whenever I go out to visit our maknae while she's filming." Fans who have seen this photo have supportively replied, "Soojung unnie is cute" , "Looks like she'll never get cold."