FNF VS The Basement Show Mod

You decided to have a house and trying to find one. Then you find a house owner who is a mouse fnf the basement show mod character test. He living with someone but you didn't notice anything until he showing you the mysterious fnf the basement show mod. There you will see crazy thing that blow your mind. His only friend, the alien pibby cat is dead and the mouse is the alien killer and asking you to do a battle right there.