Anata ni Sasageru Akai Bara

The hated Ophelia, the young Duke Rosenstein's wife, is rumored to be a domineering woman and a huge spender. Yet all that is a ruse to fake her dedication to her husband.

After their marriage, Ophelia soon realizes that Orpheus has a lover. In order to cleanly divorce him, she continues to act out her ruse.

Ophelia wants to quickly separate from her marriage while on the other hand, Orpheus refuses to let her go...?

(Source: MangaUpdates)