Comeback Kid (Naruto & Celestial Grimoire | OC-SI)

Dropped into the body of a minor character with a dubious claim to fame, one out-of-place anime fan attempts to survive the insanity of Naruto. May Kami have mercy on his soul. Celestial Grimoire OC-SI. I will be posting this on Royal Road. Why am I posting this here? Because you need to for Royal Road verification. — Description from novelcodex.org