My Brain Can Connect to the Internet in Time Travel

It would be really helpful if the protagonist was a salted fish. But if the protagonist wants to be an otaku and his dad desperately supports it, then this is a black hole, okay? Li Shimin: "Should Tang Shanshi come to court to help me pacify Goguryeo?" Tang Shanshi: "No, I still have to sleep when I have time. I don't have time to care about messy things!" Tang Jian: "My son has ambitions, and as a father he supports you, so go to sleep!" Li Shimin: "... You family think I'm easy to bully, don't you? No, you and your son must give me an explanation for whatever they say today, otherwise will you never hear about this?" Tang Jian and Tang Shanshi: "Your Majesty is really tired of being an official, and you don't have many people who can govern the country. Is this reason enough?" Li Shimin: "... You guys go down, I want to rest!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.