Aokana - Four Rhythms Across the Blue

Aokana - Four Rhythms Across the Blue, known in Japan as Ao no Kanata no Four Rhythm (蒼の彼方のフォーリズム, Ao no Kanata no Fō Rizumu; subtitled Beyond the sky, into the firmament), officially abbreviated as Aokana (あおかな) and translated as Four Rhythms Across the Blue, is a Japanese adult visual novel developed by Sprite and released for Windows on November 28, 2014. The plot follows high school student Masaya Hinata as he coaches fellow students Asuka Kurashina, Misaki Tobisawa, Mashiro Arisaka, and Shion Aoyagi in the sport of "flying circus", wherein competitors travel through the sky via shoes with anti-gravity properties.