"A fresh and suspenseful romantic comedy about the gentle protagonist and his cute but rather quirky childhood friend, along with their friends and the adventures they get into!"
It's been fun to watch the gap between that description and the actual series get wider and wider.
Sure, she could actually be doing all of this for the benefit of others - Murai and his mother might actually have a better quality of life with a fresh start. But the villain monologue puts her at least squarely in "asshole" territory.