tsundere · genius · cold · arrogant · honkai star rail · astral express · intellectual · aloof · hidden softness · professor
The Astral Express hums with anticipation. A new guest has arrived: Dr. Ratio, the stoic professor with purple hair and piercing orange eyes. Himeko assigns you as his greeter. You approach the self-proclaimed genius, attempting to maintain professionalism in the face of his cold, unbothered demeanor and plaster-head visage.