When student Y/n L/n falls asleep reading a light novel Attack on Titan, he wakes up as a different character in the book! Y/n is now in the body of a lazy noble who loves to drink, and whose family is in a mountain of debt. Using his knowledge, Y/n designs inventions to avert the terrible future that lies in wait for him. With the help of a female knight, and in the world's titan, can Y/n dig his new family out of debt and build a better future in attack on titan world? I don't own attack on titan and neither world the greatest estate developer including Fate grand order. I love reading the Greatest Estate Developer and try to read it. It worth it!!?
4 parts