 If you liked
Isekai no Seikishi Monogatari
|
 ...then you might like
Fuuun Ishin Dai☆Shougun
|
Mecha, Action and Ecchi in both.
Both males are capable fighters in their own right and likeable without many shounen cliches.
Both males have a female watching over them stopping them from getting into any potential dangers and mischief.
More similarities to come as the show progresses.
If you like one I do believe you will like the other