 If you liked
Darker than Black: Kuro no Keiyakusha
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 ...then you might like
Darwin's Game
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Completely different storylines but they sure have some similarities in between:
- Characters have superpowers
- when characters use their powers their eyes glow(kinda)
- in DTB they have to pay a depth after using their abilities, in Darwin's game there is n depth but there is a grading system, gaining points or losing points
- main characters look similar