A member of Bigflo under Hyeyoom Entertainment, Euijin, whose real name is Lee Eui-jin, is the leader, vocalist, lead rapper and main dancer of the group.
He is 31 years old. His horoscope sign is Aquarius and his date of birth falls on 15 February 1990.
His height is 171 cm and he weighs 76 kg.
He hails from South Korea.