The Unwanted Undead Adventurer

Low-rank adventurer Rentt Faina awakens as a skeleton after being devoured in a dungeon, beginning his grueling evolution from mindless undead to something greater. This dark fantasy features: (1) A unique monster evolution system where Rentt gains new forms, (2) His struggle to maintain humanity while hiding his undead nature, and (3) Jaian's detailed artwork showcasing grotesque transformations. The story explores: - The dark underbelly of adventurer society - Rentt's relationships with allies like Lorraine and Sheila - The mystery behind the dungeon's corruption - How undeath affects magic and skills - The 2024 anime adaptation's climactic finale arc