Rin Ouka (凰華 りん, Ōka Rin, born November 16, 1998) is a Japanese AV actress from Kanagawa Prefecture affiliated with LiStarPRO. Her former stage name was Rin Natsuki (夏木 りん, Natsuki Rin). Her body measurements are 88-63-92 (E cup), and she is 1.66 m tall (height type is short). Her hobbies and special skills are Takarazuka theater and kendama. On May 29, 2021, she debuted under the stage name Rin Natsuki (夏木 りん) as an exclusive actress for FALENO's label "FALENO star." She was ranked 15th in the 2021 Sexy Actress Rankings announced by Kobunsha's FLASH magazine. Following the release of her work in October 2022, she graduated from the "FALENO star" label and took a break. In December 2023, she resumed her acting activities as a project-based actress. On October 25, 2024, coinciding with the release of her photo book , she changed her stage name to Rin Ouka (凰華 りん).