Ginormicaxmalereader Stories

What if a new monster was found . What if just like Susan he was hit by a meteorite but difference being in that the meteorite contained pymite an energy source that allowed him to grow and shrink to any size . Be it microscopic or ginormic and it was all absorbed into (Y/N)(L/N) . Follow the story as he tries to learn his new powers , escape a war crazy alien and fall in love with a white haired giant