Kim Jian (former LIGHTSUM) Profile and Facts Jian is a former member of the South Korean girl group LIGHTSUM. She officially left the group on October 25th, 2022. Stage Name: Jian (지안/ ジアン/  池按) Birth Name: Kim Jian (김지안) Birthday: November 4th, 2006 Zodiac Sign: Scorpio Chinese Zodiac Sign: Dog Height: 167 cm (5’6″) Weight: – Blood Type: B … Continue reading Jian (former LIGHTSUM) Profile and Facts