 If you liked
Hayate no Gotoku!
|
 ...then you might like
Isekai no Seikishi Monogatari
|
Similairs:
>The protagonist is saved by a short blondie and serves her.
>Both protagonist is really good at being servant/butler and he can do almost anything.
>Protagonist is innocent, has quite shocking past.
>Multiple girls. HAREM
Differences:
>Mecha in Isekai
Why bother reading this! Get down to it and watch!