The Devil's Cursed Witch - Chapter 303 I Burn For You

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

It all started when the protagonist downloaded a game called “The Fool (Beta Version),” marking a pivotal shift in the style of his life. This was no ordinary game; it lacked visuals and music, composed solely of lines of text and a multitude of choices. Yet, each decision within the game had the power to alter the player's destiny, for on the other side of the game lay a real, unknown world.Players were unable to physically enter this otherworld or see its landscapes, experiencing the alternate realm solely through text, vicariously living each step of their character's journey.As the game progressed, not only could rewards from the game materialize in the real world, but creatures from the game began to appear in reality as well.Then came the day the game was released for global public testing.An era quietly unfolded, where the masses embarked on explorations and treasure hunts in an alternate universe through 'textual adventure,' heralding a new chapter of engagement and discovery.

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

I am merely a reviewer, albeit the products I review are slightly different. For example, I review quantum computers, artificial intelligence, anti-gravity mech armor, planetary engines, sublight colonial ships, stellar detonators, etc…