In the Famine Years, I Bought My Childhood Sweetheart from the Start

【Alternate history + famine + System + transmigration + multiple heroines + slice of life + farming】 【The protagonist's childhood nickname is Cao Cao. If you dislike that, don't read.】 Li Qingfeng died in an elevator crash and unexpectedly transmigrated into the body of a starving farmer in the Great Moon Dynasty. It was a year of famine, and food was scarce. At the critical moment, the 【Domain System】 awakened. Using the 【Domain System】, he found gold and silver treasures buried deep underground; he dug through to underground water, solving the problem of thirst; he made crops grow, solving the food shortage; and he saved his childhood sweetheart, settling an important matter in his life… By a twist of fate, Li Qingfeng captured the holy maiden of Sakura Country. To rescue her, Sakura Country sent an army of warriors to attack. But the holy maiden willingly submitted, and Sakura Country became Li Qingfeng's vassal state…