Hakushaku Reijou wa, Keiyaku Kekkon shita Ore ni Itsu Koi wo Suru?

The story of a beautiful Kingdom Knight wife with royal blood and her husband, the plain seventh son of a poor Baron! Their Love? Suspense story, beginning with a contract marriage, starts now! That marriage is merely the beginning of a "culprit hunt" for an incident from thirteen years ago, swirling with secrets and conspiracies—.