I Do Science in the Magical World - the Legend of Lieneld

I, Balala Xiaomijiao, a technological genius. However, when traveling in time and space while traveling in Spider Castle, an accident occurred and he fell into a strange magical alien land and was deprived of all technological products. So—— Unmanned combat aircraft—— Goodbye! Humanoid weapons—— Sayonara! But I still relied on the flush toilet to change my destiny, and ultimately changed the pattern of the entire continent. Science is the best! The heroine slowly warms up without cp, group portrait Three updates a week Please collect it >?< Please comment Purpose: Scientific and technological development eliminates feudal superstition