Vika fell into the body of an immortal caster and has already leveled up from the level of “Oh, mommies, wolves!” to "Slashing monsters is so much fun!" But this was just the beginning of the journey. After all, we still need to save the world, raise the main character to be a decent person, organize a scientific and technological revolution and, most importantly, survive. And also, at the same time, get rid of the harem, which somehow gathers on its own. But how can everything go according to plan for a hit-and-run?