Demon City Shinjuku is a classic anime film from 1988, directed by Yoshiaki Kawajiri. The story follows Kyoya, a young man who lost his father at a young age. His father, who was a renowned warrior, was killed by Rebi Ra, an evil psychic who has the power to open a gateway to hell. Rebi Ra has since wreaked havoc on Shinjuku, turning it into a city of monsters and demons.
Kyoya is approached by an old acquaintance of his father's, a priest named Genichiro, who seeks his help in stopping Rebi Ra. Kyoya is hesitant at first, as he feels that he is not strong enough to take on such a powerful enemy. However, he soon discovers that he has inherited his father's powers, and with Genichiro's guidance, he sets out to battle the demons and save Shinjuku.
Along the way, Kyoya meets a young woman named Sayaka, who is being targeted by Rebi Ra's minions. Kyoya takes it upon himself to protect her, and the two develop a deep bond. Through his battles, Kyoya also learns more about his father's past and the true nature of Rebi Ra's power.
Demon City Shinjuku is a thrilling action-packed adventure, filled with stunning animation and intense fight scenes. The film also explores deeper themes such as the nature of power, destiny, and the bond between father and son. It remains a classic example of 80s anime, and a must-watch for fans of the genre.