This had happened more than once before.
In Kawasuna Rei's view, it hardly seemed like something that required much concern. After all, her pupil-master bloodline genuinely clashed with the "technological magic" her brother was researching.
Yet Yuyu Kami, sitting right before her, had harbored reservations about it from the very beginning, because Pneumatic Machinery Cohn had been meticulously balanced during its design phase precisely between closeness to magic and closeness to pupil arts.
Chapter 290