The Completed Book of Wishes!

It was night and raining, Alex was playing Undertale on his PC in his room, it was another common and normal day for him. Suddenly, a light appeared in his room, blinding him for a moment before saying his name and giving him the power of wishes. As soon as Alex recovered, he questioned the light, but it revealed that he was chosen to change the world with his wishes and power. The light explained everything about his wish power, delivering the book of wishes to help him make and do something interesting in the world. After that, the light disappeared.

Ana and Alex love each other deeply, to the point of being madly in love with each other. Julia is a heroine from a trio of two other fellow heroes. The book of wishes is the guide and judge of each of Alex's wishes, judging him in case the wish is too silly or inappropriate. It always tries to lead Alex down the best path.

A world with the existence of the supernatural and superheroes and villains, aliens of all kinds and classes of power and technology and much more! Angel and demon at war, aliens in Area 51 and even yokai in Japan. Parallel dimensions, monsters roaming the earth being almost public knowledge for world governments, but only legends for civilians. On the street, there is a civilization of aliens seeking to dominate the earth before other races that are on their way to the planet. There is a society of superheroes of public knowledge, the strongest male hero being called Sola Light and the strongest villainess is Zuleika, the necromancer sheep villainess with over 5 million powerful souls. Unknown to anyone, Sola Light and Zuleika love each other and want to leave this life, but they cannot define the situation.

Make the world/universe more interesting in some way.