• Stage Name: Sika (formerly known as Rensika)
    Real Name: Lian Si Jia

    Group: Fanatics

    Position: Main Vocalist, Lead Dancer

    Birthday: August 22, 1995

    Astrological Sign: Leo

    Blood Type: A

    II. Sika Facts

    – She grew up in Dalian, China.
    – Representative day: Friday.
    – She is the most responsible member.
    – She can speak English.
    – She is in charge of vocals.
    – She and Doi are the mothers of the group.
    Yoonhye and Sika are former JYP trainees. Sika was the Japan Team leader at JYP and trained closely with TWICE's Sana, Momo, and Mina, and she was the first Japan Team member to leave JYP.
    – During the predebut days she and Doi posted vocal covers on social media.
    – Sika and Chiayi are roommates.