The Extra's Odyssey Novel

"The Extra's Odyssey" by Ryukurou opens with a protagonist who, upon dying, discovers they have reincarnated into their favorite novel. This reincarnation, however, is far from ideal. The protagonist is distressed because even the novel's main characters are destined to perish midway through the narrative. The sole survivor is the protagonist of the original story. The newly reincarnated character is neither the protagonist nor a character with a hidden, special background suggesting a similar destiny. Despite the dire circumstances and a world where death is commonplace for many, the narrator questions their own seemingly positive reaction to the situation, ending with a bemused "Am I smiling?". The core premise revolves around the character's predicament in a world where survival is a rare commodity.