Taikouhi Kouho dakedo, Kenjitsu ni Ikou to Omoimasu

Therese, the daughter of an impoverished marquis, works hard day and night to save every penny she can just to scrape by. One day, she's offered a chance to change her status and situation—by competing to become the next royal consort. Therese hesitates, unsure that someone as poor as herself could ever be a consort, and decides to decline the opportunity. That is until she learns that just being a candidate could lead to a high-paying position as a lady-in-waiting! Determined to take the chance, she decides to go for it. But when she arrives at the castle, she realizes that this competition is way more cut-throat than she anticipated! Can Therese's down-to-earth attitude keep her safe and above the fray? Or will this contest cost her everything?

(Source: Seven Seas Entertainment)