Skill-Eater: Prison World Saga - Chapter 15: Harvest

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates

Leguna. An orphan. His life changed dramatically the day the thieves’ guild happened to select him for training and development. He would go on to become lifelong friends with a loyal mercenary, the partner of a beautiful magus who was cold as ice, the savior of a mysterious disfigured dark-elf girl with a talent for the Breath, and the unlikely caregiver for a feisty young maiden. And yet, who would be with him to the very end?

I became the childhood friend of the protagonist in a novel. The childhood friend who died from taking drugs.

Rebirth, wear a little girl, do not have to be noisy, open your eyes and split your home, with a space of spiritual liquid, Lingquan! Make a big profit!

All kinds of essential equipment! However, can you not do so much! The dregs and the mother’s baby are too poor!

Farming must be standard! Can you order less? The environment is not safe! The landlord of the seven disasters is too ‘healing’! Which pro, your good prince is not right, what mess! This is a kind of field text, can’t be a palace! You have fished the world!

- Description from Uukanshu translation