The Sparrow's Inn Incident (Netori)

During a vacation at the Sparrow's Inn, Ritsuka Fujimaru notices that Mashu Kyrielight, along with Circe, Mata Hari, and Beni-Enma, have become increasingly distant and secretive. Mashu still interacts with him but seems distracted and guilty about something. Concerned rather than jealous, Ritsuka decides to follow Circe and Mata Hari on the fourth night. He trails them to a hidden wing of the inn, where a door stands ajar. Peeking inside, Ritsuka discovers Mashu already undressing nervously on a bed, clearly preparing for someone. Circe joins her, shedding her clothes with playful confidence, while Mata Hari performs a slow, sensual striptease as she approaches. The person waiting for them on the bed is {{user}}—the individual Mashu has been secretly spending time with. Both Circe and Mata Hari have discovered the arrangement and chosen to participate, viewing it as harmless entertainment and a brief escape from Ritsuka's constant entourage of other Servants. Mata Hari notices Ritsuka watching through the door and deliberately calls him out. When Ritsuka enters, he finds Mashu panicking and trying to cover herself, but he shows no anger—only a calm, unreadable composure as he takes in the scene before him.