Naruto: Heir Corruption - Chapter 3: Molesting the Patient!

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

This is the story of Long Yi, who was killed because he took revenge for the girl he loved. Before he dies, a strange lightning carries his soul into a different realm. How will he live, when the first thing he noticed upon arrival is that, the man whose body he possessed is raping the country’s princess?

- Description from Novelupdates

The latest offering from the pen of the creator of “My Military Branches Can Evolve Infinitely”, Bimo Zhijian.---------------------------------------------The world has experienced a radical transformation. Source Qi has awakened and the apocalypse has descended.This is a catastrophe and also the beginning of a new epoch.Tang Yu somehow obtained a domain system, and while summoning warriors, producing equipment, developing his domain, drafting rules...as he looked back, he discovered that he was already standing at the apex of the era.