Ji Soo has shared a photo he took with the cast of 'Sassy Go Go'. Actor Ji Soo has posted a photo on his SNS account recently. In the revealed photo, KBS 2TV's new Monday & Tuesday drama, 'Sassy Go Go' stars, Lee Won-keun, VIXX member Cha Hak-yeon and Ji Soo posed friendly together, Sassy Go Go, Cha Hak-yeon, Ji Soo, Lee Won-keun, Seo Ha-jun