The Atelier Ryza series, also known as the Secret sub-series, is a trilogy of role-playing games developed by Gust. It began with the 2019 release of Atelier Ryza: Ever Darkness & the Secret Hideout, which introduced a real-time tactical combat system and a revamped alchemy synthesis mechanic. The series follows the adventures and growth of the protagonist, Reisalin 'Ryza' Stout, and her friends.
Published by Koei Tecmo, the sub-series debuted across PlayStation 4, Nintendo Switch, and PC. The initial release of
Atelier Ryza: Ever Darkness and the Secret Hideout in 2019 was accompanied by highly sought-after physical packages, including the
Atelier Ryza: Ever Darkness & the Secret Hideout [Limited Edition] and the
Atelier Ryza: Ever Darkness & The Secret Hideout [Premium Box]. These collector editions featured exclusive art books, soundtracks, and cloth posters, reflecting strong fan demand.
Character designer Toridamono shaped the visual identity of the cast, particularly Ryza, whose design became a major driver of the game's marketing success. This aesthetic appeal, combined with a nostalgic narrative centered on coming-of-age themes, propelled the title to unprecedented commercial heights. The game quickly became the best-selling entry in the entire Atelier franchise, leading to anime adaptations, merchandise lines, and guest appearances in other Koei Tecmo properties. This commercial breakthrough revitalized the long-running franchise, establishing a new benchmark for its global reach and mainstream appeal.