Chizuru Ichinose (一いちノ瀬せ ちづる, Ichinose Chizuru?), alternatively known as Chizuru Mizuhara (水みず原はら千ち鶴づる, Mizuhara Chizuru?) in her "rental girlfriend" persona, is the main female protagonist of the Kanojo, Okarishimasu series. She is a college student at Nerima University who is majoring in Literature and she currently lives in Room 204 of Royal Hills Nerima, just next to Kazuya Kinoshita.

Chizuru has waist-length chestnut-brown hair with bangs and light brown eyes. Her hair is mostly let down except for a small braid on the right side of her head. She has fair skin and a slim, well-endowed figure with large breasts. She's often described to be beautiful, leading her to be highly popular among boys.