You can find the English dubbed version of the series on major anime platforms:
The title refers to the recurring gag where Shin creates magic items or uses spells that others deem impossible. To Shin, these are "common sense" applications based on his modern-world scientific knowledge, but to the people of the fantasy world, they are terrifyingly overpowered. (Dub) 7 : Common Sense (It's Different for Ever...
While the show often features lighthearted school life, it also builds toward a larger conflict involving "Demons" and political intrigue within the kingdom. Where to Watch (Dub) You can find the English dubbed version of
: Offers the full series with both sub and dub options. (Dub) 7 : Common Sense (It's Different for Ever...