After her parents divorced, she and her mother moved out of the house where they'd been living with Haruto and her stepfather. It was just the two of them for a while until her mom remarried—to Takahisa and Masato's dad. Years later, on her first day of middle school, she ended up getting pulled into Satsuki and Takahisa's hero summoning ritual on her way home, along with her new siblings Miharu and Masato.
Content compiled by AnimeList.moe from publicly available sources.
