Rin Usami was born in Shizuoka Prefecture, Japan. Usami began writing novels in high school. Her debut novel, Kaka, published in 2019, received the Yukio Mishima Prize, making her the youngest recipient in the award's history. In 2020, at the age of twenty-one, Usami won the prestigious Akutagawa Prize for Idol, Burning. She lives in Tokyo.
