Crossing the Multiverse!

"Where are the books?" Meikyō looked at Spider-Man, who had returned empty-handed. "Uh, I searched around at home for ages before remembering that I'd read those books in the university library back then. But don't worry, I still remember the contents clearly." Spider-Man said sheepishly. "Um, can I use this blackboard? This lady..." "My name is Olivia. People who know me usually call me V—Little V. You can't touch the calculations on the front of the blackboard, but you can use the back.