Hwang Eun-bi

SinB's career began early. She worked as a child model for kids' clothing brands and was part of "Ulzzang Kids." She trained under Big Hit Entertainment (now HYBE) for two years starting at age 12, then at LOEN Entertainment for a year before joining Source Music. She debuted as the main dancer, vocalist, and center of GFriend on January 15, 2015, with the EP Season of Glass and lead single "Glass Bead." GFriend, which also included Kim So-won, Jung Ye-rin, Choi Yu-na, Eunha, and Kim Ye-won, released successful albums like Snowflake, LOL, and The Awakening, earning awards such as Gaon Chart Music Awards and Melon Music Awards. SinB contributed to tracks like "Confession" for the Cinderella with Four Knights OST and performed three solo singles for The Fairies in My Arms. In 2018, she joined the project group Station Young with Red Velvet's Seulgi, (G)I-dle's Soyeon, and Chungha, releasing "Wow Thing."

After GFriend disbanded in May 2021, SinB, Eunha, and Umji signed with BPM Entertainment, debuting as Viviz on February 9, 2022, with the EP Beam of Prism. GFriend reunited in September 2024 for their 10th anniversary, releasing Season of Memories, with SinB continuing Viviz activities. Her dance training began at Krazy Dance Academy & MD Skool alongside Eunha, and her rigorous practice keeps her physically fit. She stands 5'5" and has a slim build, with fans noting her striking resemblance to Girls' Generation's Jessica Jung, earning nicknames like "Little Jessica." She is known for her powerful dance moves and playful personality, often called the group's "Meme Queen." Her Instagram (@bscenez) has over 1.6 million followers. She is reportedly single and has stated her ideal type is someone like G-Dragon.