After dying suddenly in an accident in his previous life, he transmigrates into the most beloved prince of Li Shimin of the Tang Dynasty. Faced with this hellish start (which is actually heaven), he reflects on his past and decides that in this life, he absolutely won't work himself to the bone. He has to enjoy himself! Bound to the [Get Stronger by Slacking Off System], he can earn modern-day supplies just by loafing around and behaving absurdly. So he snores away in the Taiji Palace, leads the palace maids in square dancing, and even turns the court into a giant bathhouse. He thinks he can safely live out his days as a good-for-nothing prince, but Li Shimin and the entire court fall prey to wild misunderstandings! Li Shimin: “My son must have a profound purpose! His actions seem absurd, but he's really putting the aristocratic clans in their place!” Changsun Wuji: “Your Highness is so far-sighted. This humble subject could never compare!” When the Turkic army reaches the city walls, he's reclining in a rocking chair and drinking an ice-cold Coke. Li Shimin excitedly grabs his hand: “My son, so you had already laid a vast net!” The protagonist: “??? I'm really just slacking off!”