The main character of the manga and anime series Bocchi The Rock!
She is a first-year student at Shuka High School. She becomes in charge of changing lyrics and as a "guitar hero" in Kessoku Band. She was nicknamed "Bocchi" from the word "hitoribocchi" (lonely).
Her voice actor is Yoshino Aoyama in Japanese.
Man 1: Oh yes, Hitori Gotoh, teach me how to play the guitar
Man 2: Dude get some pills, she ain't real