SinB (Korean: 신비; Japanese: シンビ) is a South Korean singer under Big Planet Made. She is a member of the girl group VIVIZ and a former member of the girl group GFRIEND.
She was born in Cheongju, South Korea and has one older brother. She trained at Big Hit Entertainment along with Eunha for 5 years. She attended the School of Performing Arts Seoul and graduated in February 2017 along with Umji.
She debuted as a member of GFriend with the EP Season of Glass on January 15, 2015.
GFriend disbanded on May 22, 2021 after all members left Source Music upon the completion of their six-year contract.
On October 6, 2021, it was announced that SinB, along with former GFriend members, Eunha and Umji, have signed a contract with BPM Entertainment to debut as a three-member group. She debuted as a member of VIVIZ on February 9, 2022 with the mini album Beam of Prism.