Humanity's hopes and wishes rests upon... a sneaky old man?

In a time when humanity is at its most desperate. A lone warrior stood up to take the mission in taking down the SSS Criminal, Delta.
Despite intending to kill her, she managed to survive with a concussion and was moved to a secure underground base. Cuffed with special materials to prevent her from escaping.
What Genki didn't know was that this wasn't Delta's first rodeo in being captured. She berates and insults Genki to push him further past his limits, revealing his true nature.
Will Genki be able to right the ways of this ultra strong, super criminal? Or will he fail and succumb to pleasure?
26 Pages + Bonus