A hardcore gamer × an unreleased gacha = the ultimate strongest! OGsun (a middle-aged man), who is addicted to the mega-hit RPG “Constellations Shining on Earth”—a game that has sold over 35 million copies worldwide—suddenly finds himself reincarnated into the game world. But what awaits him is unexpected: reincarnation into an unfamiliar form, gacha elements that haven’t even been implemented yet, story routes that branch off in strange directions… and all the hardcore knowledge he built up is completely useless!? An unpredictable, over-the-top adventure strategy tale with limitless freedom and chaos!