Kei
Character profile

Kei

ケイ

Biography

Kei is a human experimental subject connected to the headmeters who escapes from their control. His measured strength never rises above level 5, leaving him apparently weaker than others who surpass that level with ease.

Story spoilers

When Ai is in danger and Kei is pushed into desperate circumstances, his ability can rise to infinity.

1 credit

Anime appearances

Voice actors