yuzu is smarter than mei that's why she hated the blonde . Yuzu's parents died on a car accident so the blonde had no choice but to let her uncle's family to live with her to be her guardian since she's still a miñor. But Yuzu's uncle's family treated her badly in her own house,they put her in the attic and they don't give her enough food and they didn't buy the blonde new clothes to wear . Yuzu's clothes are all touya's old clothes . Everytime yuzu's cousin brought a new clothes he will give his old clothes to the blonde ,that's why all Yuzu's clothes are boys clothes. They use the blonde's inheritance to their selves and didn't give any to the poor child . As a young age she started getting part-time job to earned money to support herself . Since yuzu is the top student of the Aihara Academy they give her a full scholarship. All the characters aren't mine credits to saburo uta.