Jitsu wa Kikakugai no S Rank Madoushi 非戦闘職の魔道具研究員、実は規格外のＳランク魔導師　～勤務時間外に無給で成果を上げてきたのに無能と言われて首になりました～

Hisentou Shoku no Madougu Kenkyuuin, Hisentou Shoku No Madougu Kenkyuuin, Jitsu Wa Kikakugai No S Rank Madoushi - Kinmu Jikangai Ni Mukyuu De Seika Wo Agete Kita No Ni Munou To Iwarete Kubi Ni Narimashita

Werner works hard at developing magical tools every day at the Academy of Sages, the country's top research institute. One day, however, he is expelled by the headmaster, who is blinded by the profits he makes from the magical tools. They take over the research Werner left behind and try to make even more profits, but... "Not a single magical tool has been completed!" Werner's theory on magical tools is too advanced, and without him, nothing could have been developed! Meanwhile, after being expelled from the academy, those who admire him, including dragon girls and princesses, begin to gather around Werner...!? The strongest magic and magical tools can solve anything instantly! Free and unconscious, unrivaled!!