The Heartthrob Lord Only Wants Infrastructure

After traveling through another world with an illustration of alien creatures, Sergius became the old king's favorite son and owned a city of his own. But before he had time to enjoy it, the old king passed away, and Sergius, who was given an unknown name because of his black hair, was quickly thrown into a fief far away from the royal city. Looking at the desolate and remote city of Boluo and the people who were tortured by illness and hunger, the flower-planting blood in Sergius burned brightly. Insufficient manpower to resist the bandits? I have R card skeleton and SR piranha! The land is barren and crops cannot survive? I have various plant cards that can be eaten, played and watched in triathlons! As the lord of a city, it would be too disrespectful to have no one to follow him! I have... The man stood in front of Sergius with a dark face, blocking the enthusiastic followers: I am the only SSR, it is enough for you to have me! —— A few months after Sergius left the royal city and went to the fiefdom, the drunken nobles in the royal city finally remembered the prince who was astonishingly beautiful but had a rough fate. They sent envoys, expecting to receive the obituary notice that Sergius died in the cursed city. But after the envoy who was sent to Boluo City came back, he strangely became a fanatical believer in Sergius. He said: Boluo City has skeleton guards who are not afraid of death and kill all enemies who offend the lord's majesty: Boluo City has crops that mature all year round, and its people will no longer die of hunger; Lord Boluo's garden is planted with the God of Creation's favorite flowers, which protects the entire city from misfortune and suffering. … Lord Bo Luo was accompanied by a giant black python recorded in the Book of Creation. [He is the incarnation of the devil, the practitioner of darkness, and the beginning of all killing] [He is also a dependent of the gods and the incarnation of the god of fertility. The entire continent is willing to bow to him and forever bask in his glory] 1. Imaginary Western fantasy farming infrastructure without research 2. For card drawing rewards, please refer to Plants vs. Zombies. The magic modification has 3. Cp is a black python Purpose: Build society and benefit the people