Seihou Shouka Saint Lime

Hinata Sakurai leads an ordinary life, unbeknownst to many that she's the covert Magical Girl Saint Lime. Her world is turned upside down when her brother, once the celebrated Saint Cherry, goes missing. Now under the influence of a malevolent magic, Cherry has transformed into an evil magical girl and poses a formidable foe. Hinata receives a power from her brother, which she uses to fuel her rage as she seeks to rescue him. In this perilous journey, she confronts insidious evil, uncovers hidden truths about herself, and ultimately defines her true desires and nature.