Chanmina (real name: Mina Otomonai) s a female rapper and hip hop artist. She was born on October 14, 1998 to a Japanese father and South Korean mother. Her first major label debut single "Fxxker" was released in 2017, followed by her debut album "Miseinen" in the same year.

In 2023, Chanmina founded her own record label, No Label Music, an imprint of Warner Japan.

In April 2025, Chanmina signed with Sony Music Japan label Mastersix Foundation to distribute her discography under her personal record label.

In 2025, Chanmina formed the girl group HANA through the audition show No No Girls.