My Happy Marriage (Light Novel), Vol. 1 - Akumi Agitogi

Born to a noble family, Miyo is raised by her abusive stepmother and married off to Kiyoka, a soldier so heartless his prior fiancées fled within three days into their engagement. With no home to return to, Miyo slowly starts to open her heart to her cold and pale husband-to-be, despite their rocky introduction... This might just be her chance at finding true love and happiness.