The story of "Romio and Airu" (often referred to as episode 10 of the anime) follows Romio as he navigates a week of intense pressure:
While Airu is often seen as a cold antagonist, later parts of the series reveal that his harshness stems from a desire to protect the family after their father's death. He eventually becomes a subtle source of encouragement for Romio to grow stronger. 10 : Romio and Airu
During a search of Romio’s room, Airu finds incriminating items, including a rosary and a brassiere, which heighten his suspicions. He threatens Romio with expulsion and banishment from the family if he is indeed betraying their house. The story of "Romio and Airu" (often referred