Interstellar War: My Star Fleet is Invincible

Hundreds of thousands of people on Earth have traveled to the Model Galaxy where they acquire a primal starting planet, become a planet overlord, and develop their civilization.
Brian is the planet overlord of a technological civilization. At the very beginning, he obtains the best talent a planet overlord can have—Construction Specialization! Production or construction does not take any time. With one single click, construction is completed! With one single click, production is completed!
As a result, while other planet overlords are slowly developing their respective planets, Brian's high-tech constructions have already spread all over the galaxy! When the other planet governors are still infatuated with galactic soldiers, Brian's interstellar battleships have already occupied an entire cluster of stars...