The Weakest F-Rank Who Breaks the System

“In this world, your ranking isn’t just a number. It’s your status. It’s your life expectancy.” Lucius was ranked #5 in the world, the most qualified candidate to become a god. Yet betrayal knows no bounds. Murdered by his best friend and his fiancée, his soul is cast into the body of a crippled young man with the lowest ranking in history. [Last.] Rejected and cast aside by his family because of his inability to use magic, Lucius finds himself in a familiar setting, yet covered in life-threatening wounds and with only a limited time left to live. However, fate had a different plan for him. Lucius acquired an unprecedented ability. [Mana Symbiosis] Everyone sees him as a flawed F-Rank who’s bound to die soon, but his ability allows him to fuse spells in creative ways. In a world where magic comes pre-shaped, creating your own magic was impossible. “If the system says I’m the Last, then I’ll have to break it.” -- — Description from novelcodex.org