Harem Lord System: Post Apocalyptic World - Chapter 24: There is way

Throughout this current life of mine, I will pay no attention to my past lives, nor will I seek future lives. I wish to live vigorously, to pay back debt of gratitude and fulfill duty to avenge, to defeat valiant heroes from all species, and to proudly laugh at all the Gods and Demons of the Six Path of Reincarnation!

- Description from Novelupdates

[Mature Smut Contents!]When a deadly virus turns the world into a nightmare, high schooler Ryan gets bitten by an Infected—along with his crush. Facing certain doom, they decide to go out with a bang, losing their virginity in what they think are their final moments.But surprise—they don’t turn. In fact, they’re cured.Turns out, Ryan’s seed has a miraculous side effect: it heals infected women. And that’s not all—he soon discovers unique powers of his own. Now, in a world overrun by monsters, Ryan has a new mission: survive, thrive, and build a sanctuary of powerful (and stunning) women who owe their lives to his very special ability.

After accidentally falling, she actually finds herself bound to a Second Female Lead Counter Attacking System!

Arin, an ordinary office worker, used to dream of a ruined world where humanity was forced into deadly games for the amusement of [Constellations].Then those dreams became reality.As monsters descend and scenarios begin, Arin finds himself one step ahead, holding knowledge of the future others don’t have.But in a world where standing out means being watched, his knowledge quickly draws dangerous attention… from beings far beyond human.Including three powerful Vampire Queens.Follow Arin as he uses his knowledge to survive brutal scenarios, grow stronger, and carve his own path through the apocalypse… alongside the Vampire Queens who have taken an interest in him.