Eiyuu Kyoushitsu no Chouetsu Majutsushi: Gendai Majutsu wo Kimeshisha, Tenseishi Tenshi wo Shitagaeru

Also known as: 英雄教室の超越魔術士～現代魔術を極めし者、転生し天使を従える～

by Rui Tsukiyo

Calgrande is a magical academy that the nobles and elite magicians attend. A world of magical fundamentalism, where the strongest talents for the national military gather. Yuuma, a genius magician who once before saved another world, died and reincarnated to this world, is now attending this academy for the sake of achieving a certain goal. Yuuma who is considered the hero candidate of this generation was living happy days with his genius sister in law who is also a brocon, as well as with his other sister in law who is a spoiled angel. However, all of this changed during a extracurricular trip to the demon world. When the evil parts of this world bare their fangs against his precious sister, the magician from the otherworld is unleashing his true power! (Source: MF Bunko J, translated)