Housekishou Richard-shi no Nazo Kantei

Working off of the hint Richard left for him, Seigi heads to the lapis lazuli exhibit at the British Museum. There he finds Richard disguised as a woman. While carefully watching their surroundings, Seigi and Richard flee from the scene. Richard attempts to send Seigi back to Japan, but Seigi refuses to leave until they talk, and the two disagree. When the past Richard had kept secret is revealed, how will they choose to act.

One winter day after Seigi and Richard have returned to their normal lives, Seigi helps an elderly woman named Chieko carry her bags. He is served pudding at her house as thanks, where he finds a photo taken in England and a copy of Les Miserables. Seigi recalls the governess Richard described to him and asks Chieko about it, but Chieko`s expression is dark.

Seigi`s father Shimeno Hisashi appears before him. Shimeno divorced Hiromi when Seigi was in grade school and has approached him now that he`s grown. Though Seigi drives him off, Shimeno begins appearing everywhere Seigi goes. Not wanting to cause trouble for Richard or anyone else around him, Seigi tells Richard he wants to quit working at Etranger while hiding the reason from him...