永遠的7日：無盡開端 is a free-to-play RPG game for Android devices developed by LongE Play. The game falls under the subcategory of role-playing games and is set in a fantasy world. The game's storyline is about the fate of the city, and the player's role is to break the cycle of endless reincarnation and save the world.

The game provides a unique combination of strategy and idle gameplay, which allows the player to tackle challenges while utilizing their time effectively. The game has multiple endings, and the player's choices affect the storyline. With over a million words of dialogue, the game provides an immersive experience with a diverse cast of characters, each with their unique personality and traits. The game has a rich storyline, and the voice actors bring the characters to life. The game is set in a city that serves as the player's stage, where they face the fate of the world.