I'm looking for mangas/manhwas/webtoons where the MC : 4446g

-hides his/her true identities and is really strong

or

-seems weak at first and is underestimated/discriminated but is actually strong

or

-is super strong and somehow is unbeatable (is that too much?)

I've read/still reading:

Mahouka Koukou no Rettousei (i'm looking something similar like this one)
Ultimate Legend: Kang Hae Hyo
Oresama Teacher
Mrs Angel
Superior
Black Haze
Red Lion
Beelzebub

Thank you in advance ! 😀

Dragons Rioting
Ubel Blatt
Shokugeki no Soma
Kyou kara Ore wa!!
Psycho Staff

Being alone is only lonely if you want it to be.
Staying in lucid delusion for an eternity.

Onepunch Man - top of my list
12 Beast
Hammer session!
Hammer Session! in High School

Try Aiki
MC practically can't be beaten

Onepunch Man Undefetable
Noblesse

[img]http://media.tumblr.com/e43f35cfdd762cc666571a6dd0f163d5/tumblr_inline_mhbel8Cy8V1qz4rgp.gif[/img]

Strong MC huh, maybe these could help
Strongest
OP characters
overpowered main character
Complete dominance by mc

series entry for deceptively weak looking protagonist + powerful male lead