Itai no wa Iya nanode Bōgyo-Ryoku ni Kyokufuri Shitai to Omoimasu - Chapter 440

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!

- Description from Novelupdates

Sequel of Allison, taking place about 17 years after the original series.

After successfully completing the tasks of the B-Class World, Lu Yue finally succeeded in entering the A-Class world.

What? The blackening value of the males in the A-class world is above 80!!

Lu Yue: What are you afraid of? Calm down!

This is a story of a drama king and a black-bellied male.

First World: Mafia’s Pet Lover
Second World: Revenge of the Reborn Boyfriend
Third World: Emperor is a Ladies’ Man…

- Description from Novelupdates

Tiara was killed in the real world and then reincarnated to live in the body of a noblewoman in the novel she read named Claudia Ambelynn. When she lived in the novel world, she was reunited with the main protagonist who was her husband who was killed in the real world. In addition, she also met the murderer in the novel world and also played the role of the main protagonist's older brother who was known as the most cruel character. It was not that easy for Tiara to live in the novel world written by her husband. She had to carry out a mission that she had to conquer the heart of the antagonist, Duke Harry, in order to return to the real world. This made Tiara think, if she lived in Claudia's body and married Harry, then she could take revenge on the murderer who killed her husband in the real world. The way to do that, she would try everything so that Harry would really fall in love with her. She was forced to cancel her engagement with Duke Harris in order to take revenge on Duke Harry. How did Claudia succeed in conquering Duke Harry's heart?