"Mystic Messenger" is a mobile game developed by Cheritz that combines visual novel elements with real-time messaging. Players assume the role of a character who accidentally joins a mysterious chat room and becomes involved with a group of individuals connected to a secret organization called the RFA (Ray of Hope). The game features various characters, each with unique personalities and storylines, and players can interact with them through text messages and phone calls. The gameplay involves making choices that affect the story's outcome and the relationships with the characters. Players can also participate in timed events and unlock different endings based on their decisions. The game has gained popularity for its engaging narrative and immersive experience, appealing to fans of the otome genre.