Dragon's Roar in Edo: from Blind Girl's Exclusive to Japan's Overlord

Zhu Youtian, a graduate student in the history department, accidentally traveled to the Edo period. As soon as he landed, he was bound to the strongest attendant system. He received a death mission at the beginning - he became the exclusive attendant of the blind girl Aka of the Hojo family within one hour! "Failure? Obliterate!" In order to survive, he used the farming knowledge given by the system to break into the Hojo mansion, issued a military order to increase the output of the granary by 30%, and even risked his life to protect the blind girl. Bite! Get the katana technique! Injection of body strengthening liquid! [Trigger mission: Win the trust of the blind girl and reward the inner skill "Haoran Jue"! When A-hua, with her aqua-colored sleeves, sat under the cherry blossom tree and looked at him with empty eyes, Zhu Youtian knew that this was not only a system task, but also a light that he must protect. The street samurai provoked him, and he used the system's sword skills to destroy his long sword; the undercurrent in the mansion surged, and he relied on his proficiency in tea ceremony to obtain intelligence; the major names fought in a melee, and he used the machinations rewarded by the system to control them. From playing hide-and-seek with a blind girl, to using high-yield rice to control the lifeline of the Hojo family; from wielding a knife to protect a beauty on the street, to stirring up major names in the Edo Storm. When the system panel popped up [Ultimate Mission: Fix the Universe of Japan and Become the Overlord of Japan], Zhu Youtian clenched the long knife at his waist and looked at the smiling blind girl next to him, with flames burning in his eyes: "This Edo and this Japan will ultimately be decided by me, Zhu Youtian!" Let's see how the time traveler relies on the attendant system to protect the blind girl, fight for fame, overturn the world of Japan, and achieve a counterattack legend from an exclusive attendant to the overlord of Japan!