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One Piece: Grand Harem Adventures

This is your typical isekai story where our protagonist Ben dies and is reincarnated into the One Piece World. The story will largely follow the events however there will be noticeable changes and additions. The girls will be present in the story and have their own story. They might fall for our protagonist a bit easily. There will be a system however it is not the focus. The character will be strong but not overpowered. Additional Tags NSFW Scenes 18+, harem, adventure, fun

Pop12 · อะนิเมะ&มังงะ
Not enough ratings
488 Chs

Leaving Itsu Island

Ben and the other girls dragged the unconscious men out of the cave. "Why are we dragging them out?" Mikita asked.

"They are our enemies," Zala added. 

"Vivi said they were going to die down there and we should move them up," Nojiko said.

"Ben then agreed," Kaya added.

"It was a request from his favourite princess," Alvida teased.

"I am sorry for dragging you into this," Vivi apologised.

"No, it's fine," the other girls said together.

Ben smiled. "You have a good heart, Vivi and we like that about you," Ben said. They finished dragging the men from the cave. Honey and Zala looked through their pockets and took their money and valuables. 

Kaya and Vivi looked at them. "We are pirates," Zala said. 

They both shrugged their shoulders. 

"Let's keep these torches," Ben said. 

"Yes, that will be a good idea my love," Alvida replied.

"We have 20 torches," Honey said. 

"We need to check what their power source is," Emeraude said.

"That is a good point, sis," Rubis added.

They got back to the surface and saw the sun. "It is a nice day today," Kaya said.

"It is but we should get some training in," Mikita said. 

"Yes, we should," Alvida added. The girls sighed. 

"Okay, me, Vivi and Marianne will head to see Ko and the rest of you head back to the ship," Ben said. They all nodded.

They started walking back to the fishing village. It was a short walk as the island was not too big. They approached a fork in the road. "We will go this way Ben," Nojiko said. 

Ben nodded. "Sure," Ben said. 

"Be careful my love," Alvida said. Ben smiled. He liked when the girls worried about him. It showed they cared for him. 

"I will, we are only going to talk," Ben replied. He walked up and hugged Alvida and kissed her forehead. Alvida smiled back.

"Vivi take care of him," Nojiko said. She teased her friend. 

Vivi blushed slightly. "I will," Vivi replied. 

"You too Marianne, take care of him," Zala added.

"Yes, I will," Marianne replied. Both girls hugged Ben`s arm. Ben smiled. 

"Okay, take the Miss Love Duck out of the port girls and be around the island, I will fly towards it and we can sail from there," Ben said. 

"Yes Captain," Nojiko replied. 

They split up and headed separate ways. Ben, Vivi and Marianne headed back to the village. They walked down the road. They walked for a few minutes. 

"Ben, this is nice," Vivi said. She liked walking with the person she loved. 

"Yes this is good," Marianne added.

"Well when I have two pretty girls with me, anything will make it nice," Ben replied. 

They got to the village and saw Otsu on the road. "Hey Otsu," Ben greeted them. 

"You again," Otsu replied. He looked annoyed at them. 

"I was going to tell you we are leaving," Ben said.

Otsu smiled. "Good riddance," he said. He remembered getting beaten by his crew. He was not happy. 

"We wanted to tell Ko about us leaving and thank him for the information," Ben said. 

"I can pass the message," Otsu said.

"It will be more respectful for me to tell him in person," Ben said. 

Vivi left Ben`s side and approached Otsu. "Please let us talk to him. This information was very useful, we had found the orb. We want to thank him," Vivi said. 

"Yes, please let us see him," Marianne added.

"Fine, he is down that road in the hut," Otsu said. He was not happy with Ben but he did not seem like a bad guy compared to Simon. His crew seemed nicer, some of them did. 

"Thank you," Ben said. Vivi and Marianne also nodded. 

They headed down the road until they approached a hut. It was a wooden building with four walls and a roof. It was simple and looked like it was done recently. The walls were brown. There was a door at the front. Surrounding the hut was a wooden fence. Ben, Vivi, Marianne and approached the fence. 

"This house is cosy," Ben said.

"It's small," Marianne said. 

They opened the fence and walked in. Ben knocked on the door. "Come in," Ko said.

Ben opened the door and saw Ko sitting on a make-shift chair. He was near the fireplace. "Hello Ko," Ben greeted him.

"You again," Ko replied. He laughed. 

"Nice to see you as well," Ben said.

"Did you get it?" Ko asked.

"Yes, I did," Ben replied. He added, "The Simon Pirates did make it first however they got defeated by the Treasure Guardians."

"It seems you are strong," Ko said.

"We have each other," Ben replied. 

"We do," Vivi said.

"Ko, thank you very much for helping us," Vivi added. 

Ko smiled. "You should know that those Treasure Guardians will come after the orbs if they are not defeated," Ko said.

"Interesting," Ben said. He thought those Treasure Guardians must have some sort of radar or sensor built in them to find the orbs. This could be an issue for them.

"Do you know where the last orb is?" Ben asked.

"It is rumoured to be underneath the island in a cavern," Ko said.

"Why has he not gotten it himself yet?" Marianne asked.

"The cavern is dangerous and Simon is not a fool, he sends captured pirates there and he has run out," Ko replied. 

"Either way, Simon has two orbs," Ben said. 

"He is getting close," Ko replied. 

"What do you think his plan is?" Marianne asked.

"World domination or something," Ko replied.

"Typical," Vivi said as she sighed. 

"My home country was also being destroyed and in a civil war because of one man who wanted to find a weapon," Vivi explained. 

"We will stop Simon as well," Vivi declared. Ben smiled. Vivi is an amazing woman, he thought. 

"That we will," Ben said.

"Simon is crazy, he has a superior complex," Ko said. He thought that Simon should not have this weapon. He did not know about this crew, however they were better than the Simon Pirates.

"He has a fortress on Mu Island which is heavily armed. There are cannons everywhere. He has hundreds of men gathered there. Large walls surround the place," Ko said. 

"We can do it, I bet the orbs are there," Marianne said. She looked determined. Ben thought she looked cute. 

"There have also been men in black suits around the place recently," Ko said.

"Men in black suits?" Marianne questioned. 

Ben thought it might be Ciphor Pol however what were they doing here. He did not remember them being active this early then he thought this is Ciphor Pol. 

Vivi looked at Ben. She thought about it. She remembered some men in suits who visited her father in the past. She never did ask who they were before. 

"We will keep them in mind," Ben said. Vivi thought about asking Ben later.

"Ko, thank you for everything. We will stop them," Ben declared.

Ko smiled. "I know you can do it," Ko replied. His gut feeling was telling them they could. 

"But be careful with Shushibaruba," Ko warned.

"We will," Ben replied. They exchanged goodbyes and left the hut. They walked down the path and stopped. Ben transformed into his hybrid form. 

"Let's go back girls," Ben said. Vivi and Marianne nodded. 

At that moment, Marc came out of the woods. "Hand me over the orb and no one gets hurt," Marc threatened. He had a gun in his hand which pointed towards Ben. 

Ben`s back sprouted black wings. He had a black tail, and two small horns on his head. Ben`s eyes turned red and had no pupils. He glared at Marc. 

"Demon," Marc said. He panicked. Vivi and Marianne smiled. Marc saw a scene from hell. A blue haired woman and a smaller woman in the arms of this demon. Their smiles. He saw the sky turning red. He dropped the gun and ran. 

"Strange," Marianne said.

"He looked like he saw a ghost," Vivi added.

Ben shrugged his shoulders. He looked up and saw the blue sky and flew up. He thought it was time to head back to the Miss Love Duck.