Isekai Nonbiri Nouka - Chapter 818: Consulting Torain

At the end of the world, a legendary hero gave his life to save a dear friend, only to be reborn as a four-year-old orphan with 'Crab Affinity'.The apocalypse has come and gone, claiming humanity with it. All humans have had their 'Souls' stolen and claimed by monsters - vampires, demons, zombies - you name it.Reborn as Barnacles (Barns for short), the once-legendary hero claws his way back to strength under the tutelage of the gluttonous King Crab, a sentient crustacean with more vice than virtue in his shell.Follow Barns' journey as he rediscovers his power of rebirth, which when combined with a little 'crab magic' has the power to reset humans back to their original selves.It's time to take a crack at resetting the apocalypse.

[Warning : Mature content : Lemons]Leon is reborn as a healer in the crumbling village of Eldwood, he wields a power as potent as it is provocative: the ability to cure curses, heal wounds, and even ignite temporary magical prowess by borrowing magic from his harem—all fueled by lustful, erotic encounters.Leon is not only a healer but using his magic he can also gain temporary magical powers, where he can make his own spells by combining the powers of different women.He has to fight against the demon lords and save the world using his powers and his harem of selective women and his very versatile magical powers, which are lust driven and erotic and powerful.

A story about a weak, small larva with a human soul, who travels all the way to become the ruler of the stars.

In this world, orphans or just anyone without any hope for this world can apply to become a “walking target”. Their sole purpose is to be a practicing dummy for the students of the sect who train to become “Demon Hunters”. These students need “walking targets” to test their training on living, walking beings of flesh and blood.
In exchange, they will be provided with food & shelter.
Their existence value is lower than a slave, but if they manage to survive a few years they can receive a life long pension.

Xiao Han is such a “walking target”. One time he witnessed a powerful Demon Hunter disposing a demon. When the demon died, a fragment of the demon that managed to escape entered Xiao Han’s heart. No one saw that, and even Xiao Han himself only felt some discomfort for an instant.

But that thing in his heart soon gave Xiao Han visions, and the first one is of a cultivation method which allows Xiao Han to absorb damage to enhance his body. A perfect cultivation method for a “walking target”.

- Description from Novelupdates