MTL - Hidden Corner - Chapter 450 Golden City Four

He was a school bully and she was a straight A student. One day, she received a message that he wanted to meet her after school. She was very scared of being bullied, so she sought help from her teacher, who was also his father. Therefore, his father came to meet him after school with a broom on hands and beat him up.“You little brat! How dare you bully the top student in our class! Just wait and see how I'll punish you!” said his father angrily.“No! Dad! This is a mistake! I just wanted to pursue her!”“You're clearly not good enough for her! Stay far away from her!”...Years later, in her wedding dress, she said to her best friend, “My husband used to be a school bully. He said that he was beaten up by his father on the first day he was planning to pursue me. Then, he was warned not to get in the way of my pursuit of Tsinghua University.”“Too bad! And what happened next?”“He also got into Tsinghua University.” She smiled.

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

- Description from Novelupdates

An immortal cultivator is murdered by her master and finds herself reborn in the strange world of One Piece. She hardens her resolve to once more tread the path of cultivation, only to find it won't be as easy as she thought.

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.