Mousugu Shinu Seijo na node, Kishi-sama Anata to Kekkon wa Dekimasen!

Placed under an unsolvable curse, the saintess Cynthia is waiting for her impending death. One day, she happens to save a knight who is on the verge of death. As a token of his gratitude, he proposes to her. Although she's flustered by his doting affection, she constantly refuses him, knowing her own fate. However, the knight refuses to give up. ([Art Lapsa](https://mangabaka.org/group/bqpkbsf/art-lapsa)) https://www.cmoa.jp/title/353931/