Hitoribocchi no Hana Musume wa Oni no Naka no Ryuu Kishi ni Koi Negau summary:
The ill-fated flower girl fell in love with the captive Dragon Knight. Ricardo, the hero of the enemy country, offered his life as an exchange condition in order to help Airyu, who was injured on the battlefield. Imprisoned and helpless, Suiren, the daughter of a poor flower seller, fell in love with him at first sight because he never lost the light in his eyes. From "Moonlight Novels", a site for women "Let's become a novelist", a fantasy romance with a hero!