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--
Then, once you're married, it'll be all yours.
.وحينما تتزوّجان، ستكون لكما
Sobald die Heirat anerkannt wird,
gehört er dir.
Cuando se casen, el diamante será suyo.
Cuando os caséis,
el diamante será vuestro.
Quand le mariage sera reconnu,
il sera à vous.
Una volta sposati, sarà vostro.
Assim que se casarem, o diamante é seu!
А после брака он станет вашим.