철벽 남주의 첫사랑이 된 모양입니다 (Associated Names)

I thought I was dead, but when I opened my eyes, I found myself as a senior knight in the male protagonist’s order. Yet something feels off about this so-called iron-walled male lead who, in the original story, never reciprocated the feelings of the terminally ill heroine, not even until the end. “Do you always…