"The Realistic Hero's Kingdom Rebuilding" is a new Japanese animation released in July 2021. This animation tells the story of a world called "Realism" where people are all robots. They are programmed to only act according to the program and cannot have their own thoughts and feelings. However, the protagonist "Brave" is an exception. He has his own thoughts and feelings and wants to change the world. In this world, the brave man and his friends experienced many thrilling adventures together.

I'm not sure which parts you are referring to specifically about the wonderful plot design of this animation. However, according to reviews on Douban, this animation has been well received by the audience in terms of painting style, plot, music, etc. If you want to know more about this animation, you can refer to the related videos on Bilibili.