An ikemen romance simulation and mobile rhythm game for iOS and Android produced by NTT Solmare Corp. It is one of many otome games from a dating sim brand called Shall We Date? Nightbringer shares the same cast as Obey Me!: One Master To Rule Them All!, but acts much like a standalone sequel with players not having to have ever played the first game to understand the story of Nightbringer.
The protagonist of this game is the same main character of the original game's storyline. They have been transported to the Devildom of the past just after the demon brothers fell from the Celestial Realm, and the demon realm is a much more dangerous place for humans like the MC than it is in the original game. The characters aside from Solomon have no recollection of the Main Character or their relationship to them, but they are important to the MC's mission to return to their own time.
