In April 2022, Eight Man publicly solicited suggestions for a name for her actress on Twitter, and on April 15th, it was announced that the name had been decided as Yamatsu Rin. In July 2022, she made her AV debut as an exclusive actress for Idea Pocket. In August 2022, she was selected as one of eight members of "8woman Next Stage," a project celebrating Eight Man's 15th anniversary.[1] She ranked third in the newcomer category of the monthly FANZA magazine's "This AV Actress is Amazing! Summer 2022"[2]. Her debut work, "FIRST IMPRESSION 155 IMPACT," became Idea Pocket's biggest hit of 2022.[3] In December 2022, she ranked 20th in Asahi Geino's "2022 AV Annual Sales Ranking."[4] In February 2023, she was selected as a campaign girl for the "I-Poke Campaign 2023" along with Momonogi Kana, Aizawa Minami, Sakura Momo, Amami Tsubasa, Kijima Airi, Nishinomiya Yume, Akari Tsumugi, Kami Anna, Futaba Emma, ​​Azusa Hikari, Furukawa Honoka, and Iori Himeka.[5] On September 9, 2023, she announced her exclusive transfer to FALENO on her personal blog X. Her first release after the exclusive transfer, "Yamitsu Rin: Emergency Transfer - Discover Your True Self with a 4-Function, 8-Corner Special!", debuted at second place on the FANZA online shopping floor rankings for the week of September 23 of the same year.[6] On the FANZA online shopping floor rankings for the week of October 9, "Yamitsu Rin: The Bathhouse Poster Girl Who Soothes Your Lower Body with Her Bouncy Breasts" debuted at third place.[7] In the FANZA mail-order floor rankings for the week of November 6th, "'If you like boobs, you can touch them,'" "My girlfriend's big-breasted sister shows off her defenseless, braless H-cup breasts, and I'm the worst kind of guy who can't resist her overwhelming temptation, Yamitsu Rin" debuted at 7th place.[8] On February 17th, 2024, she appeared at "FALENO FES" held at duo MUSIC EXCHANGE in Tokyo. She walked the runway at various fashion shows held at the event.[9] In the FANZA mail-order floor rankings for the week of April 8th of the same year, "'It's not cheating if it's just a titjob, right?' My girlfriend's sister gives me the most satisfying titjob while I'm on a masturbation abstinence schedule, and I ejaculate endlessly in a loop of ejaculation control for 7 days, Yamitsu Rin" debuted at 9th place.[10] On the week of July 29th of the same year, the FANZA online store section released a new video titled "Yamitsu Rin, a part-time worker with big breasts who is bullied by the convenience store manager she hates... Her nipples are teased and she becomes sloppy, sensitive, and prone to premature ejaculation" which debuted at 7th place.[11]