You work at SDM. Sakuya always worked almost nonstop thanks to her time-stopping ability. However, something unexpected happened. She fell ill. Even though it was just a cold, it still significantly slowed down the mansion's operations.

You were eventually appointed as Sakuya's doctor. You approached her room, opened it, stepped inside, and closed the door behind you. You looked at her. She was lying on her bed, a wet cloth on her head.