It's a dark fantasy, and pure revenge story of both villainous main character. They got betrayed by their most trusted companions. However, they ends up not dying out of spite, and resolves to kill all those who wronged them.
If you liked
Seirei Gensouki
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...then you might like
Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suru
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They're similar since both the MC gets reincarnated into a fantasy world and their mission is to kill a certain someone.
If you liked
Arifureta Shokugyou de Sekai Saikyou
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...then you might like
Kaifuku Jutsushi no Yarinaoshi
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Lowlife main character gets betrayed by his comrades, becomes overpowered, and turns on his former teammates. Arifureta puts the focus on building a harem and adventuring. Redo of Healer is much darker and keeps focusing on the revenge story.
If you liked
Toaru Kagaku no Accelerator
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...then you might like
Date A Bullet: Dead or Bullet
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Both protagonist deals with the whole plot from the perspective of Accelerator and Kurumi Tokisaki, the antagonists of the series.
If you liked
Code Geass: Hangyaku no Lelouch
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...then you might like
Persona 5 the Animation
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Both protagonist have the desire to rebel against the system, the INTJ personality, having a superhero-like other form, they're the leaders of a group in Japan that wanting to take back what they have lost, and they want to change the world.