Binbou Danshaku Reijou no Ryouchi Kaikaku – Koutaishi-hi Arasoi wa Gomen Koumurimasu

The crown prince vows to wed the kingdom's fairest lady, throwing Miriage—a baron's impoverished daughter—into the running thanks to her looks. Convinced that letting such a ruler take the throne would spell ruin, she decides the royal contest is a disaster she must avoid at all costs.