Circle Gyu, Kagura Games - Rei and the Floating City Ver.1.02 Final Steam (uncen-eng) - Adult Sex Game

Rei is on a journey to become a fully-fledged mage when her airship meets a terrible fate. She and her family crash land in Jupeterno and are nursed back to health by some locals... Except apparently once someone arrives in Jupeterno, they're never allowed to leave. Add in political intrigue and a mysterious, beautiful princess, and Rei's chances of ever making it home are crashing as rapidly as her airship did!