Mina Otomonai, known professionally as Chanmina, is a South Korean-Japanese rapper and singer. She was born in South Korea to a Japanese father and a South Korean mother, a professional ballerina, and lived in South Korea until she was three years old. Growing up, she traveled frequently between South Korea, Japan, and the United States. Influenced by her mother's artistic background, Chanmina learned ballet, piano, and violin from a young age. Chanmina's music journey began as a rapper inspired by the Korean band Big Bang's song "Day by Day". She gained early fame in 2016 through a Japanese high school rap competition and independently released her debut single Miseinen, which topped iTunes Japan's hip-hop charts. She debuted majorly in 2017 with the single Fxxker and her album Miseinen. Over the years, Chanmina has released multiple albums and extended plays blending hip-hop and J-pop, often addressing social issues such as conformity and racism in her lyrics. Notably, her song "I'm a Pop" was featured in the Netflix film Kate (2021), gaining international recognition. In January 2025, Chanmina formed the girl group Hana through the audition show No No Girls. In April 2025, Chanmina signed with Sony Music Japan label Mastersix Foundation. Her imprint, No Label Music, relaunched under the record label.