Na mo Naki Mamono to Futari no Kishi: Soshite Konyakusha wa Konwaku suru

Not long ago, "I" was lying in a hospital bed. My only joy was reading the novel The Tale of the Kingdom of Frisia. When my favorite knight, "Zero," dies in the story, I cried nonstop, my chest tightened that I can't breathe, and when I woke up, I find myself... not as the main character, but as a supporting character named "Richelle"! What's more, I've acquired unbelievable cheating abilities...?! Not only that, I end up becoming the fiancée of a knight called "Al," who is not even my favorite...?!

Web Publication
https://www.cmoa.jp/title/339247/