KitKat's manga / #Engineer(1)

Chap 94 Genius scientist transmigrated into her novel, slave Waiting for the MAle lead she created to come Dresses as a boy and try's to get in favour with him Offering engineering designs, equipment etc He still think she's a boy, they fell in love, When she talks about the real world, returns home Years past, thinks she's a traitors, protects her Her real bro follows into game with the emperors face