I hate being in pain, so I think I'll make a full defense build - Chapter 66.2

The Coinbound System lets him buy spells, skills, and stat boosts like a magical vending machine...But nothing comes free.Every fireball costs gold.Every body enhancement? Taxed.Even getting a suggestion comes with a convenience fee.While nobles train for years to master a single flame spell, he can just buy it off the System. From summoning spirit beasts to crafting forbidden runes, his power grows with every coin he scrapes together… and every unnecessary expense he dodges.But in a world where magic is passed down through noble bloodlines and ancient family grimoires, a broke outsider with a price tag on every spell has no business rising through the ranks.Still, he’s surviving. Thriving, even.So long as he tracks every copper and refuses to overspend on fireballs, he just might make it out alive.They call him cheap.They call him stingy.But one day… they’ll all remember the name:The Frugal Mage.

Crossing to One Piece world, he became Roger’s younger brother.

Unexpectedly, Gol-D-Roger who was in his fifties had a teenage brother. But he was so weak.

Fortunately, at the age of sixteen, he actually found himself with a possession soul system.

He had attached to the master IP man, also to the White Phoenix and to Ge Nie with his strong ability of the Hundred Step Flying Sword.

If you think that he can only Purchase these? Then you’re wrong!

Pain, Itachi, Ichigo Kurosaki, as long as there is money, any soul can be Purchased.

- Description from Novelupdates

Theatrical regression life of an old-fashioned villain (kkondae) who recalled his past life.

“There’s nothing I wouldn’t do for a better life.”

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Survival in the ‘Otherworld’; a place where only the insane can set foot in.

The worst thing that Shui Ruoshan think he ever did? He wrote the story of “The Strongest King in History”.