NTR: Choice Based System - Chapter 1: system has activated ( The Beginning arc)

In the depths of the underground world lived the descendants who were born and raised by feeding on the teats of beasts.

These individuals with special abilities and enhanced physical abilities were known as dungeon babies.

Amongst them, Kim Jin-Woo was born in the labyrinth on the lowest floor.

“I’ve never tried to become strong. I just wanted to survive.”

This is a story of a lowly tunnel digger who ascends the throne to become the king of a labyrinth.

Kieran was just an ordinary part-timer — a high school dropout who had also given up on boxing. With no parents and no real family, he survived by working his ass off every day. He was raised by a man he believed to be his father, but later discovered he wasn't — though the man passed away before the truth could fully sink in. What Kieran didn’t know was that he was actually the sole heir to a powerful business empire, the hidden son of a wealthy tycoon.

Despite gifted with extraordinary talent, I resented my life being cut short.One day, fueled by alcohol, I penned a proposal letter to a princess, hoping to alter my fate.[Sure. I’d love to marry you.]…What? She’s accepting?The problem is, I proposed to all five tyrant princesses.And to make matters worse, I have no clue which one responded.

Xia Changge is a timid and honest cultivator who has practiced for thirty years without even killing a chicken.

His ordinary life changed after he was killed because his fellow Daoist next door went out to seek opportunities, and begged Xia Changge to help take care of his wife and daughter…

Longevity flow, independent family flow.

- Description from novelbuddy