Houkou Yuuka

Hayao's cute and gentle younger sister. She relies on her brother very much and is often very shy. When Hayao tells her he has gotten a part time job at Berry's she determines to follow him with the excuse that she will study cooking in the kitchen. However the manager hires her as a waitress until a position opens up in the kitchen. Reliant on her brother's support to handle the duties required of a waitress people suspect her of having a brother complex, which doesn't bother her.