Aki: is very stoic, mature and blunt to the point of rudeness but fairly softhearted and protective.
Denji: is Blunt, Childish, Reckless, Dumb, Subservient, Lazy, Gullible and perverted.
Power: childish, greedy, and self-motivated, selfish, reckless, loud, chaotic.
They are all devil hunters under the lead of Makima.Denji is a devil hybrid, power a blood fiend and Aki, a human.
Power & Denji make a chaotic duo who indulges each other's stupidness