The Terminally-Ill Rejects the Approach

I found myself as an extra in a novel, even receiving a marriage proposal from the protagonist. I thought I had twisted the original plot until I discovered my fiancé ‘conquering’ other women. [Target <Clara> is upset. Please soothe <Clara>’s heart ⸜(♡’ᗜ’♡)⸝ 1. Peck her. 2. Kiss her. 3. Head to the bedroom.] Realizing the reality through the sudden system window, I was in a terrible game based on the original, being ‘played’ by a ‘Player’. “Oh, Clara, my lovely little bird. Why such a sad face?” The male lead’s sickly-sweet voice to another woman. [SYSTEM] ‘Option 3: Head to the bedroom’ selected… And at that moment, my fist struck his vile mouth. Thwack! The glittering system window above shattered, along with the male lead’s corn cob. [Status: Terminal (Time left: 13 days 11 hours 47 minutes)] I was a target for the ‘Player’, a sacrifice to aid their awakening. Desperate to escape this cursed terminal status, a man appeared before me. The ‘Murderous Mad Prince’ from a neighboring country, aka ‘Mur. Mad’ Prince. [Bug Detected!] [Bug Detected!] His voice was smooth as he whispered, “Don’t doubt my love. It hurts my heart when you do.” Despite his sadly drooping eyes, the gleam within was ominous. “As if it’s going to tear apart.” As if he would tear me apart. …Being terminal was sorrowful enough, but now the ‘Mur. Mad’ Prince was obsessing over my frail life.