Only with Your Heart: Retsuen no Kishi to Saihate no Koibito
Only with Your Heart～烈炎の騎士と最果ての恋人～
Chizuru Ayase appears to be a typical young office worker, but she carries a hidden past. During her final high school summer break, she was called to a different world, where she became its savior. There, she developed feelings for the Hero known as the Knight of Blaze. The story is a fantasy romance centered on one-sided affection in a medieval world.