Valis (ヴァリス Varisu?) is a Japanese platform game series developed by Telenet Japan. The original game was developed in 1986 for the MSX, and its popularity has spanned four sequels, a spin-off, and remakes across several platforms, notably the TurboGrafx-16 and Sega Mega Drive until the early 1990s, when it was quietly retired. The Mega Drive/Genesis entries were all published in North America by Renovation Products. Later, Telenet sold the series' rights to a company known as Eants, which re-tooled the series as hentai games[1] after Telenet shut down in 2007. The series has formed two Mobile Phone games released by Bandai Namco Games in Japan and a manga by Kill Time Communications. The Valis games (as they were known in America) tell the story of Yūko Asō (麻生 優子 Asō Yūko?), a schoolgirl in late 1980s Japan who is fated to protect three different realms – our own Earth, the land of spirits, and Vecanti (ヴェカンティ Vekanti?), the Dream World – by wielding a mystical sword known as Valis.