The Fujoshi Noblewoman Gets Her Engagement Broken Off and Becomes a Wall. ~My Cold-Hearted Fiancé's Massive Feelings Toward His Guard Knight Are So Admirable That I've Decided to Become a Villainess and Support Them Both!~

The Perfect Duke's Daughter Clarissa's Previous Life Was That of a Genuine Fujoshi. Having seen through that her fiancé, the "Ice Duke" Percival, actually harbors an obsessive attachment to his escort knight Julian that makes him lose his rationality, she activates her fujoshi sensors to their full capacity and makes a decision. "I can't forgive myself for standing in the way of my favorite pairing's happiness...! What I must do is become the 'wall' between these two!" This is the tale of love and enthusiasm of a young lady who, wishing for her favorite couple's happiness, even accepts the stigma of being a villainess in order to claim a "front-row seat."