Since .7z is a high-compression format, you need specific software to access the contents.
The franchise was launched as an ambitious "entertainment project" featuring a tragic fantasy story of two souls sharing a single fate. It included: Dia Horizon.7z
: A series of five-minute 3DCG flash animation episodes that mixed the game's fantasy world with office worker humor. : A mobile RPG where players lead adventurers
: A mobile RPG where players lead adventurers through dungeons using a card-based skill system. Note: Official service for the game ended on May 31, 2018. A file named "Dia Horizon
is a Japanese mixed-media franchise created by Square Enix in 2017. A file named "Dia Horizon.7z" is a compressed archive likely containing game files, anime episodes, or related assets from this project. What is Dia Horizon?
: The project also spanned a web anime, manga series, and a novel titled Dia Horizon: Akatsuki no Keiyakusha . How to Open a .7z File