Tonari no Osoegawa

In the Magic Realm, mages train hard to master their arts. However, one mage named Toya Osoegawa only cares about using magic to live a comfortable life! But now, thanks to the orders from the Divine Magus, the least motivated man in the Magic Realm has been sent to the Human Realm! Can he use his bizarre magic to protect humans and send evil wizards back to their world?!

(Source: MANGA Plus)