HxH: God of Choice System - Chapter 17: Moon Walk!

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

The 51st year of Konoha was designated by later generations as “the beginning of reform in the ninja world” and “the first year of Vientiane renewal”.

Orochimaru made an indelible contribution to this.

Because he was haunted by a lamp god.

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After being guided by a traveler who became a lamp god, watch how Orochimaru harvests leeks from the ninja world and walks the road to eternal life.

- Description from novelbuddy

In the middle of a deserted island, a small boy wakes up with two sets of memories: one from his few years of life and the other from a man who lived to adulthood and achieved great things. When he least expected it, a powerful master appeared on the island and took him in as a disciple, revealing a shocking fact: magic exists in that world, and, thanks to it, humanity managed to conquer the galaxy.

This book is about how a famous web writer who specializes in doting genre falls in love with a Mr. cellophane writer who specializes in angst genre.

- Description from Novelupdates