A sudden app invite completely changed Shibuya Rai's life, allowing him to bid farewell to his ordinary days of misery and poverty.

He was currently shouldering immense debt and suffered due to his mental health. Suddenly, receiving this gift awoke something inside him, a desire to improve to reach higher.

Fate had allowed him to turn his rubbish reality into a magical world of power, money and women.

So Rai took it with both hands, desperately grabbing this golden treasure.

Entering the Eternal Dungeon.