If you liked
Kenja no Mago
|
...then you might like
Nido Tensei shita Shounen wa S-Rank Boukensha Toshite Heion ni Sugosu: Zense ga Kenja de Eiyuu Datta Boku wa Raise dewa Jimi ni Ikiru
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A general same premise with a protagonist that doesn't understand how to act in a world with his powers but a far better execution and concept.
If you liked
Tensei shitara Slime Datta Ken
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...then you might like
Kumo desu ga, Nani ka?
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Similar premise. Both get send into a game like world as low level monsters that grow. But Slime has a far more serious tone and overall plays a little bit faster.
If you liked
Re:Monster
|
...then you might like
Kumo desu ga, Nani ka?
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Same type or reincarnation princible. Both end up as Monsters that gain skills and levels rapidly and quickly become very powerful. Tho big differences is that where as Re:Monster it feels very unearned most of the time. In this manga the MC actually feels like she has to struggle for every fight despite all the skills she gains.
If you liked
Re:Monster
|
...then you might like
Tsuki ga Michibiku Isekai Douchuu
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Both Focus on making an army of monsters (kinda in this case) and both MCs are treaded by humans as a monster.