A member of PPL under Parksal Entertainment, A Zi, whose real name is Oh Ji In, is the main vocalist and sub rapper of the group.
She is 33 years old. Her horoscope sign is Virgo and her date of birth falls on 18 September 1988.
She stands at a height of 174 cm and weighs 52 kg.
She hails from Cheonan, South Korea.