Aokana: Four Rhythm Across the Blue

Aokana: Four Rhythm Across the Blue (Japanese: 蒼の彼方のフォーリズム, Ao no Kanata no Fō Rizumu), is a Japanese adult visual novel developed by Sprite and released on November 28, 2014. The game is set in an alternate world where people can freely fly using anti-gravity shoes called "Grav-Shoes," which has led to the development of a competitive sport known as "Flying Circus." The protagonist, Masaya Hinata, was once a prodigy in this sport, but abandoned it after a devastating defeat. Later, a transfer student named Asuka Kurashina becomes interested in Flying Circus and displays remarkable talent, reigniting Masaya's passion for the sport. Masaya becomes Asuka's coach, and together with teammates like Misaki Tobisawa, Mashiro Arisaka, and the Aoyagi siblings, they strive for success in the Flying Circus summer tournament. The game has been ported to PlayStation Vita, PlayStation 4, and Nintendo Switch, and adapted into manga, anime, and mobile games, building a large fanbase. The plot centers on Masaya Hinata and his interactions with several heroines. The game features branching storylines where player choices directly influence the narrative and ending, and it also contains adult content. The game portrays not only the characters' growth in the sport but also delves into the bonds and emotions between them.