The Hero Returns - Chapter 488

Zhou Yu, a reclusive otaku, who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.

- Description from Novelupdates

Zhang Beichen downloaded a game called “The Empress of the Warring States Period”. He needs to play the role of a famous minister to help his monarch rule the world and become emperor.

He thought it was an ordinary game. In the game, Zhang Beichen tried his best to make friends with the empress, help her unify the seven kingdoms, and achieve different endings.

Until he woke up, Zhang Beichen discovered that he had actually come to the world in the game, and the magnificent empress in the game was standing in front of him!

The empress looked at Zhang Beichen with a cold and glamorous face, and thought: “He is the servant in the Sims who has made great contributions to me, but is rebellious and wants to marry me?”

- Description from novelbuddy

Leiyin accidentally crossed into the One Piece World, and accidentally obtained the Naruto System.