Age of Discovery: Warring States Got Cold Feet from the Start

After transmigrating into the world of One Piece, Ron gains a System that makes him both hate and love the pain it brings: the Negative Emotions System!

As long as he stirs up negative emotions, he can grow stronger!

Tokikake: "My goddess! My goddess!!!"

Sengoku: "How long is this bastard going to keep wreaking havoc at Marine Headquarters?!"

Kaido: "I'm furious!!! Ron! As long as I'm alive, I'll kill you!!"

Whitebeard: "You refuse to be my son and still hit me? Did my being single ever make you eat my rice?!"

Ron: "Uh... I thought of you all as brothers, but you want to sleep with me?!"

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.