Mahiru's father is basically the reason she's terrified of men. He spent her childhood telling her that all men were wolves out to get her, which—yeah, that'll do it. But here's the wild part: he was also secretly loading her stuff with weights. We're talking a massive steel plate hidden in her school bag kind of weights. It's messed up, but it's also the reason she ended up with absurd strength.
Content compiled by AnimeList.moe from publicly available sources.