Obsidian Husbando

Obsidian was a teacher at Royal Ortigia Magic Academy. He was quite popular among girls and was knowledgeable about magic but underneath he had madness over his experiments on chaotic magic that made him take many wrong methods like luring and using students as test subjects which causes their bad effects. He is an antagonist of the series until Volume 2. From the surface, he is shown to be a friendly and kind teacher who earnestly likes to help his students. But underneath lies a wicked personality, he manipulates his students into becoming his test subjects. If their's use might be over, he'll dispose of them in a cruel way.