Thanks to her excellent calligraphy,�Rainbow's Jisook is being compared to�Han Seok Bong,�a leading calligrapher during the Chosun period. On November 24th, Jisook shared a handwritten message to her fans through�me2day, along with the caption:"Everyone! It got so cold all of a sudden! In warning you from catching a cold, Sook Seok Bong has used the brush." Jisook's message read, "Be careful of the cold. Please. During the winter, long-johns are the best." Netizens marvelled at Jisook's neat style which seemed like it almost came from a professional. They commented, "You really wrote this well. I have really terrible handwriting", "What a surprising talent!", and "I hope to see you on stage real soon." Source: OSEN