Naruto: The Outsider's Resolve - Chapter 1.3 (013):

I am Uchiha Shirou! I represent all bloodline families in the Shinobi World. This is a world that values the power of bloodlines!Under the true Will of Fire, the rise of Konoha has brought about an unprecedented revolution in the entire Shinobi World!Studying medicine won’t save the Shinobi World!This is the story of my struggle!

The mountain village boy accidentally got the fairy gourd, and he rose step by step to cultivate immortality and longevity.

Ripe elixir, mortal flow.

- Description from novelbuddy

A girl named Lily who has a unique body. Because of the uniqueness of her body, people around her looked at her as strange. For this reason, a Yuri Goddess gave her the power so that she could enjoy the true meaning of life and open new windows Quest requested by the Goddess.

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.