Stage Name: Sejeong (세정) Birth Name: Kim Se-jeong (김세정) Position: Main Vocalist, Face of the Group Birthday: August 28, 1996 Zodiac Sign: Virgo Height: 164 cm (5’5″) Weight: 48 kg (105 lbs) Blood Type: AB Nationality: Korean Time Table: #3 Symbol: Clover Sub-Unit: SEMINA