Katsute Mahou Shoujo to Aku wa Tekitai shiteita.

かつて魔法少女と悪は敵対していた。 • The Magical Girl and the Evil Lieutenant Used to Be Archenemies • Finished

Synopsis

The manga tells the story of Mira, who leads an evil organization trying to take over and destroy everything. Earth is under attack, but a magical girl named Byakuya Mimori stands up to Mira's group. As they face off, something unexpected happens—Mira falls in love with Mimori. (Source: MAL News) Included one-shot: Volume 3: Beauty and the Beast

Recommendations

Kyuujitsu no Warumono-san

Mahou Shoujo Dandelion

Beelzebub-jou no Okinimesu mama.