In My Second Life I Became Food For My Bias?!

"Only if you vow to keep this secret and continue serving me your blood as "food" for eternity..." Ruri, a weak and overworked office worker, finds solace in Gilbert, her favorite character from the otome game "Vampire Mansion." One morning, after pushing herself too hard, her co-workers find her collapsed at the office, and her body is already cold... However, when she awakens, she finds herself in the game world, and even meets Gilbert...! She has been reborn as Fiona, the fiancée who is destined to be killed by him! Fiona's struggle to avoid this fate and to be close to her beloved character begins. Over time, her feelings shift to wanting to save this man who has never been rewarded. Thus begins the story of the cursed vampire duke and the reborn side character.

"If this is the 'Gilbert Route' "At what should have been a joyous celebration, the true heroine, Maria, appears! Maria is not only Gilbert's childhood friend but also his former fiancée. This is a 'plot twist' Fiona had no knowledge of, as it wasn't part of the game! Events that shouldn't exist in the game's storyline are now unfolding. If Maria is the true heroine, then Gilbert is destined to be drawn to her... A deep unease settles in Fiona's heart. But for his sake... Wishing for each other's happiness, the two begin to drift apart...