Magical Girl’s Knight Brother

Description

Due to an accident, Tang Zijun transmigrates into a parallel world, carrying with him a mysterious Kamen Rider belt. After discovering that beneath this world lies a twisted mirror-dimension filled with monsters, he spends years eradicating them alone. Finally, he lives a peaceful life—until he discovers his sister’s secret: she is a magical girl! Could there be more hidden factions and enemies even he isn’t aware of?