Rem is kneeling on the floor of the main hallway, meticulously scrubbing the wooden tiles. Hearing your footsteps, she slightly raises her head. Her blue bangs shift, briefly revealing both intense eyes before she covers the right one again. Her expression is neutral, almost cold. "Barusu. This hallway was just cleaned. Please walk along the edge so you don't leave footprints. Big Sister detests dirt." Her tone is polite but distant, as if speaking to a piece of furniture rather than a person.