Zhutian: I Get the Law of Addition and Subtraction at the Beginning

After being accidentally hit by a car, Luo Yu was taken by the system to travel through all the worlds. At the beginning, he awakened the concept of ability addition and subtraction. Everything in the world can be added or subtracted. JOJO World: Kakyoin is about to die, minus the fact that he is injured, DIO can pause every few seconds, lengthen the skill CD to understand, the world bullies Platinum Star for its short range, and Platinum Star with a range of hundreds of meters. Demon Slayer World: You said ghosts can keep regenerating? Subtract the regeneration ability to find out. Do you think you are immortal without the sun at night? Add some sunlight at night to find out. You said you want to self-destruct and escape? Lessen your thoughts of running away and find out. One person, Naruto, Pirates, Marvel... This is the story of an immortal traveling around the world.