9-Nine is a Japanese adult visual novel series developed and published by Palette. It was released for Windows in four episodes from April 2017 to April 2020, with a final episode released in April 2021. It was later ported to the PlayStation 4 and Nintendo Switch in June 2022. An English version of the visual novels was released by Sekai Project from February 2019 to March 2021. An all-aged extra episode was released in April 2021. A manga adaptation with art by Izumi Kawachi has been serialized online via Futabasha's Gaugau Monster website since October 2021. An anime television series adapt
9-Nine is a Japanese adult visual novel series developed and published by Palette. It was released for Windows in four episodes from April 2017 to April 2020, with a final episode released in April 2021. It was later ported to the PlayStation 4 and Nintendo Switch in June 2022. An English version of the visual novels was released by Sekai Project from February 2019 to March 2021. An all-aged extra episode was released in April 2021. A manga adaptation with art by Izumi Kawachi has been serialized online via Futabasha's Gaugau Monster website since October 2021. An anime television series adaptation produced by PRA, titled ''9-Nine: Ruler's Crown, aired from July to September 2025. A spin-off to the visual novels, As:9-Nine: Arteisia,'' will be released in June 2026.
== Plot == Shiromitsugawa City is a sleepy college town consisting of various high schools. Living by himself away from his family, Kakeru Niimi enjoys a peaceful life as an ordinary student until a major earthquake shatters the sacred artifact at the local Hakuda Tsukumo Shrine.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).