In the dark and complex world of Konoha, Uchiha Shisui's bold defiance against Danzo sets off a chain of events that reshapes the village. With cunning and determination, Shisui gradually seizes control of the council members, bending Konoha's politics to his will. Amidst this political turmoil, Kushina Uzumaki discovers the manipulation of her husband, Minato, and confronts Shisui in a fierce battle. The conflict results in the tragic deaths of Fugaku, Kushina, and Minato. In a desperate attempt to protect his children, Minato splits the Kyubi's chakra, sealing Yin and Yang into Naruto and his sister Himawari.

In the shadows of these monumental events, an overlooked and talentless member of the Uchiha clan meets an untimely demise. However, this is not the end for him. A soul from Earth takes over his body, giving him a second chance at life. This soul inherits a unique power, navigating life with the aid of a mysterious Game System, setting him on a path of growth, discovery, and power.

This is the story of Horyu Uchiha, a character marked by pragmatism, neutrality, and a thirst for knowledge. His journey is one of self-improvement and strategic maneuvering in a world rife with conflict and intrigue. Caught between the legacy of his clan and the machinations of the powerful, Horyu must carve his own path, all while keeping his biggest secrets - reincarnation and the Game System - closely guarded.

1. Smart MC:
Expect a protagonist who is both intelligent and strategic. Horyu, the main character, uses his wit and knowledge to navigate the complex world he finds himself in. His decisions are often based on logical reasoning, providing a cerebral aspect to the story.

2. Selfish MC:
Horyu is characterized by a certain level of selfishness, often prioritizing his own interests. This trait adds depth to his character, making him a more realistic and relatable figure, especially in the cutthroat world he inhabits.

3. Complex Political Landscape:
The novel delves into the intricate political dynamics of Konohagakure, including power struggles, betrayals, and alliances. Readers can expect a detailed exploration of how different characters vie for control and influence.

4. Dark and Mature Themes:
"Gamer System in Uchiha World" is not a light read. It deals with darker themes, including manipulation, betrayal, and the consequences of power. The story's tone is mature, catering to an audience that appreciates a more serious narrative.

5. Reincarnation and New Beginnings:
The novel features the theme of reincarnation, with the protagonist Horyu getting a second chance at life. This element adds a unique twist to the story, allowing for fresh perspectives and developments.

6. Intense Action and Combat:
Fans of action will not be disappointed. The novel features intense combat scenes and strategic battles, showcasing the skills and abilities of various characters, including Horyu.

7. Emotional Depth and Character Development:
Expect a narrative that explores the emotional journeys of its characters. Horyu's growth, his interactions with others, and the personal challenges he faces add a layer of emotional depth to the story.

8. Unexpected Twists and Turns:
"Gamer System in Uchiha World" is full of surprises, with plot twists that keep readers engaged and guessing. The story's unpredictable nature adds to the excitement and intrigue.

9. Moral Ambiguity:
The novel doesn't shy away from exploring morally grey areas. Characters, including Horyu, often face dilemmas that challenge conventional notions of right and wrong, adding complexity to the narrative.

10. Romance:
Light romance. Harem is a possbility, and matching is still in the air. I will see how it goes. Nothing certain.

11. R-18:
Maybe. Not heavily, but possible.