As the title states im looking for mangas similar to tate no yuusha no nariagari.

Also if you know any mangas that have a main character with a hidden identity please feel free to post them as well. (The anime Twelve Kingdoms would be a good example of what i am looking for)

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A just ruler amongst tyrants

In what way similar? Same fantasy/adventure type of story? The rpg elemrnts? MC seeking revenge?
Tsuyokute New Saga is similar even taking all of the above in consideration.


As for hidden identity:
Chronicles of the Cursed Sword
Densetsu no Yuusha no Densetsu
Black Haze
Nurarihyon no Mago
Superior
Id

Uh, your first request is kinda vague, but here are some ones I think might fit your tastes:
Taboo-Tattoo
UQ Holder! Kinda weak similarities between protagonists after the first two volumes.
[m]Konjiki no Moji Tsukai- Yuusha Yonin ni Makikomareta Unique Cheat[/m] Pretty dang close!
Magdala de Nemure Similarities between the "outer darkness" of the main characters.
Monochrome Myst Same "outer darkness" again, only turned inward...
Pumpkin Scissors REALLY DIFFERENT, but for some reason I get a similar nuance from it...
Zero no Tsukaima Chevalier Main Character drawn into another world by someone else.

For the second one "hidden identity" here are some I think fit:
Dengeki Daisy It's a romance.
Akumetsu Careful, it's almost a tragedy in my opinion.
Meteor Methuselah Not so much hiding his identity, as no one really believes him at first.
Boukyaku no Haou Roland He doesn't really know his own identity at first either though...

Sorry, that's all I got, but I hope some of them fit...

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