Chanmina (ちゃんみな), was born as Mina Otomonai (乙茂内 美奈' Otomonai Mina ), in Seoul, Seouth Korea on October 14th, 1998 to a Japanese father and Korean mother.

She officially debuted as a soloist on April 18, 2016 under Victor Entertainment, but is currently under Warner Music Japan. Nicknamed “Nerima’s Beyonce”, Mina is a Japanese singer, rapper and hip hop artist fluent in both Japanese and Korean.