Incompetent Magic Teacher Charmes Life Reversal -Vengeful Breasts H-

This is the magic academy of a certain country, Paiots Magic Academy... - The incompetent magic teacher, Charms, spends his days being scorned by his students once again. - "Am I going to end my life like this... not only failing to accomplish anything, but - being ridiculed by people forever...?" - As he was lost in thought, he noticed a hidden room behind a bookshelf... - As he went further, he found a suspicious room with a suspicious book... - Is this... a forbidden book containing ancient taboo magic...?? - Hesitantly, he reached for the forbidden book, and a sealed succubus jumped out!