Umi Takase is a manga author. In 2016, she won an honorable mention at the seventy-eighth Shogakukan Newcomer Comic Awards, where she debuted her stand-alone short story "Ethnic Mirror" in the special issue of Flowers. I Wanna Be Your Girl was her debut series on the GANMA! manga app. She followed that up with Toko-san Can't Be a Good Grown-Up and Stay Away, Stork.