Seikou Senki Pony Celes

As captain of her high school karate club, Morisaki Yui carries a strong sense of justice and zero idea that she's about to become a magical warrior. When a shadowy organization called Zaidagu starts steamrolling the city's police with superhuman fighters, Yui stumbles upon Polka — a tiny being carrying the soul of an ancient warrior. Turns out, the dark king Daagunoa is breaking free from a centuries-old seal, and Polka needs someone worthy to inherit the power of Pony Celes, a sacred armored champion. Yui fits the bill, so now she's balancing school life with fighting an entire evil army. This is an OVA from Studio Majin, adapted from a game and set to drop in 2026. The setup is classic magical girl transformation stuff — ordinary girl gains extraordinary power — but filtered through a distinctly adult lens. Think intricate character designs, detailed animation, and a protagonist who actually has some backbone rather than just being a damsel. The narrative leans into the conflict between Yui's everyday normalcy and the escalating darkness she's thrown into. If you liked the dark magical girl energy of Mahou Shoujo Ai, or the action-meets-adult-content approach of Taimanin Asagi and Bible Black, this sits comfortably in that space. It's got a genuine story thread running through it though, with Yui's transformation arc and the looming threat of Daagunoa giving it more structure than you might expect from the genre.