Shinwa Densetsu no Eiyuu no Isekaitan - Volume 8, Chapter 2: Mixed Feelings, Part 4

After her mother’s passing, Tabitha Collins’s father marries a new wife and sends Tabitha Collins to live with a family she barely knows. There, she meets Alexander Foster, the family’s high-flying Eldest Young Master, who wants nothing to do with her. Apart from him, however, the other members of the family loves her and dotes on her. Soon, things began to change. Alexander Foster becomes intrigued by the mysterious and seemingly untamable Tabitha Collins. Who is she exactly? Initially, the girl seems to lack confidence and needs protecting, but as he finds out more about her, he realizes, he's the one with the catching up to do!

In the year 2031, the earth has further advanced in its technological developments. Though there are democracies, republics, and several other systems of governance followed by various countries, there is still one country that adheres to the feudal system—the Arinphiam Empire.The empire is divided into three parts, where the royal family coexists with the central government to control the empire, keeping it as one of the strongest nations on planet Earth.The richest man on this planet belongs to this empire, where noble families still exist, governed by laws specifically made for them by the royal family instead of the central government.Marquess Avendial Croceaus has finally returned to the past, to the year 2031—a year before the tower's arrival—on the date where his downfall began.As he returns to the past, he discovers himself facing the initial setback of his life, where accusations of treason are soon to fall upon him.This world-building novel presents a completely fresh story with new ideas and plots, where the efforts of the main character lead him to become the one who changes his fate as a villain.Content warning: Adult R-18 Chapters without any warning, as they could be part of the story, a slow but well-paced story to provide the detailed idea about the world-building, a weak main character with the debuff of seven curses, making him even cut off from the chances of growth.

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

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