On October 24, the very day of KrystalŌĆÖs birthday, Krystal posted pictures of herself with her sister on Instagram and wrote, ŌĆ£red but not drunk.ŌĆØ In the released photos, Krystal is enjoying her birthday party with her sister Jessica. The playful expressions on their faces catch the eyes. Meanwhile, Jessica recently published her book Shine, which tells the story of Korean-American Rachel Kim, who dreams of becoming a K-pop star. Krystal has recently signed an exclusive contract with H& Entertainment and is currently starring in OCN drama Search. She will also meet the audience with her new film, More Than Family. Source (1)