S2iT (에스투잇) 에스투잇 / S2iT Active Anggota (5) Lee Yunseon (하루) Ketua (리더) Baek Yeonsoo (연수) Vokalis Utama Song Jiwoo (세아) Vokalis Utama Kedua Park Hyobin (효빈) Sub Vocalist Ahn Seungbi (승비) Rapper Siapa Bias Kamu? Lee Yunseon (하루) Vote 0% Baek Yeonsoo (연수) Vote 0% Song Jiwoo (세아) Vote 0% Park Hyobin (효빈) Vote 0% Ahn Seungbi (승비) Vote 0%
