• Stage Name: Haruna
    Birth Name: Osato Haruna

    Group: Billlie
    Position: Sub Dancer, Sub Vocalist, Maknae

    Birthday: January 30, 2006

    Zodiac Sign: Aquarius

    II. Career

    I. 2021: Billlie

    She was confirmed to be a member of MYSTIC Rookies on October 4, 2021, participating in a dance cover of Cardi B's "Up" alongside other MYSTIC Rookies members Suhyun and Haram.

    She was later announced as a member of MYSTIC Story's upcoming girl group Billlie.

    III. Haruna Facts

    – She joined Mystic Story Entertainment in 2021.

    – She was from GPstudio dance academy.

    – Her nicknames are turtle maknae and runa.

    – Her hobby is watching movies.

    – Her role model is Seulgi from Red Velvet.

    – The song she sang for her audition is ‘Nijiiro’ by Ayaka.

    – Her charm is the mole under her eye.

    – She would like to live like Haram for a day because of her pretty voice.