One Piece: Seaside System - Chapter 9: Marine Based -

Mu Yang was born again in 2008, in his prime, with a beautiful girlfriend on the left and a reading system on the right.

At LV1, for every 1000 words read, +1 yuan, +1 skill experience;

……

Mu Yang is helpless: I really don’t blame me, I just want to read quietly.

Single girl, focusing on physical industry, nostalgic writing, relaxing, making up for regrets, starting with this book.

- Description from novelbuddy

In a world where dungeons were an essential part of it, Rein was trying to conquer as many as possible. They were the key to gain powers in the fastest possible way. So, to reach his full potential and to become the strongest, he became a great dungeon conqueror.With his trusty friends and lovers, he was definitely going to reach the peak alongside everyone. Join Rein and see how he went from strong to stronger and then the strongest.__________________1. The harem would not be too large(I'm not sure how many but probably just 4-5 main and few other here and there). All the girls would be getting their time and story.2. The story is starting when the MC is in the middle of his growth stage and not at the very beginning. But his beginning will be mentioned in the story in some form.3. I don't think I need to mention this, but obviously it will not have any NTR, rape or that kind of stuff. It is actually quite a wholesome story focusing mainly on adventure, action and bit of romance and slice of life.

Light and color, sound and smell;

Food, clothing, housing, mobile phones and computers;

Burn, freeze, rub, explode, thunder, rain, grow, decay;

All material changes and chemical phenomena;

Our bodies, our minds, our world—

All based on electromagnetic interaction!

Whoever can control the electromagnetic force will be the tyrant who dominates the world!

However, electromagnetic force is too profound, so let’s learn how to discharge electricity first…

- Description from novelbuddy

Benedict was transported to a world of cultivation and awakened the Invincible Domain system. Within this domain, he was invincible!