If one day the world becomes strange, Haizaki Sawa understands that it must be his own fault.
She has absolutely no control over the fusion of different worlds - as soon as they meet, the fusion will inevitably begin.
But whether her ability comes into play first, or whether the will of the world deliberately encounters her, is a chicken-and-egg problem.
However, after so many worlds with different painting styles and weird power systems are in chaos, the universe can still be peaceful, which means that the problem is not big.
Saiki Kusuo: [There are no quiet years, but there are people who are carrying a heavy burden and moving forward.
Note
1. The ancient Mary Sue flavor, the heroine is loved all over the world
2. World integration
3. The male protagonist is Akashi Seijuro, but I'm going to work on the if line
4. Think of adding more
Purpose: Try to be a good person