It just as the title says

One day y/n buys a Kimetsu No Yaiba dating simulator thinking it was just going to be all fun in games. That is until she is transported into the game as the main character. There is something wrong with this game as some of the love intrest start to act out of character. Will y/n be able to escape? Keep reading to find out. TW: cussing, stalking, valance, SA, and other messed up shit because it's a YANDERE

Escaping an arranged marriage, (Y/n) came across the famous water hashira Urokodaki. Taking her under his wing, Urokodaki decided to train her into a strong demon slayer. During her stay, a boy named Tanjiro and his sister Nezuko arrive and they both decide to train together in order to save Nezuko. What (Y/n) didn't expect was catching the attention of demon slayers,hashiras and demons.