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--
They're only interested 
in inheriting the diamond.
.إنّهم مهتمّون بوراثة الماسّة فقط
Sie haben es nur darauf abgesehen,
den Diamanten zu erben.
Il a pour unique intérêt
l’héritage du diamant.
A loro interessa solo ereditare il diamante.
O único interesse deles
é herdar o diamante.
Их интересует только алмаз.