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Reincarnated Spy Teacher with Daily Attribute System

typicaly97
Ryūnosuke Akutagawa, an ordinary literature teacher, dies saving a student and wakes up inside the fantasy novel he wrote twenty years ago during his chuunibyo phase — “Song of Demon.” He’s reborn as a half-demon teacher, the very character doomed to die first protecting the female protagonist, Ein. Armed with memories of the unfinished story and a mysterious Daily Attribute Gain System that grants him new powers every day, Ryūnosuke refuses to follow his tragic fate. In a world where music holds power, spirits grant strength, and demons threaten humanity, he navigates political plots, dangerous students, and forgotten lore. To survive, he must outsmart the very story he created, protect Ein, and uncover the secrets behind the world’s music-bound magic — all while spying for both humans and demons.
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