Only with Your Heart 烈炎の騎士と最果ての恋人 (Associated Names)

At a glance, Chizuru Ayase looks like your average fresh-faced employee. However, she held a secret that she couldn’t tell anyone… During her last summer vacation in high school, she had been summoned to another world and became its savior. And in this past, she had fallen in love with its Hero, ‘The Knight of…