A certain Demon King was having his last fight with the hero, everything was going well until the Sage interfered with the battle, the Demon King attacked her and when both their skills a hole was made in space and time.

After some time in the void, the Demon King successfully was able to leave and was back... But in a different world... He could feel the mana, but it somewhat dormant, but when he arrived at that world it awoke... Wait.

[Calamity Bringer]? What is this? A blue portal? Monsters invading Earth!? A system needs to be created and he is the one that needs to create it!? Other dimensions are connected with Earth? And it is all his fault? Damn.

Follow the adventure of the Demon King on this new world, where he still a pervert as he always was before.

[This is BL: Man × Man, Meat × Meat, 🍆 × 🍆. Got it?]