Stage Name: Ni-Ki (니키)
Birth Name: Nishimura Riki (西村 力)
Korean Name: Oh Cheol-soo (오철수)
Position(s): Main Dancer, Maknae
Birthday: December 9th, 2005
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Rooster
Height: 183 cm (6’0″)
Weight: 63 kg (138.8 lbs)
Blood Type: B
MBTI Type: ENTJ
Nationality: Japanese
