Mahouka Koukou no Rettousei, Isekai wa Smartphone to Tomo ni. Recommendations
In both anime, the MC is way overpowered. Obviously, Mahouka has a completely different style of magic, since it is staged in the 22nd century, while Smartphone was staged in a parallel world in the medieval era. however both are in many ways similar. Mainly in the MC's character.
Both the protagonists are overpowered males who can do anything and the others are in awe of them. Plus they are both clueless in matters of love of the many girls who fall for them.