An article briefly summarizing the history of OVAs, with an interesting tidbit on how their short lengths (and proportionally more reasonable licensing costs) helped younger localizers in the US.
With the obvious exception of Ozamu Tezuka, no single person has created more classic anime characters than Go Nagai, the father of super robots (Mazinger Z) and perverted comedy (Harenchi Gakuen). So it makes sense that his characters get the reboot treatment a lot. Demon Prince Enma is the most ambitious interpretation of his work I’ve seen to date, taking characters from a comedy featuring demons with butts for heads, aging them 10 years, and thrusting them smack in the middle of a dark, shrimp and grits horror story.
Point of order before I begin, there is a certain flavor of story arc that only the best of creators can play. I call it the “dice in a cup” arc. It’s the term I use to describe what happens when characters in a scenario feel like dice spinning around in a heavily-shaken cup, slamming against each other and changing trajectories in way that feel at the same time natural and totally unpredictable. This is one of those things that’s very eye-testy; it’s very hard to quantify, but you know it when you see it. Demon Prince Enma has one such arc, a testimony to its general excellence.