"Chronicles of the Demon Exorcists" follows inseparable young farmers Yusuke and Jeane. When a brutal demon assault ravages their village, Yusuke's world shatters as he witnesses his mother's death by the same demon. Driven by vengeance and his mother's hidden history, he transforms into a resolute demon exorcist. Guided by Jeane's unwavering support, they navigate a realm of ancient arts and battles against the supernatural. As Yusuke trains, secrets unravel linking him to a cosmic conflict.

The story culminates in an epic clash between Yusuke and the vengeful demon. This tale weaves friendship, revenge, and resilience into a gripping narrative of confronting darkness and seeking retribution.