I only remember one of the arc Its a boy x girl qt The mc calls ml brother but I am not sure if they were really siblings but during the world's they are not related by blood I only remember the zombie arc The mc is a zombie in this arc Ml has a golden finger of a supermarket system in this arc Ml should be a villian but I don't know for sure The FL of the original story had space and the spring which has great attraction toward the zombie Mc (makes a space for ml (??)) And uses a calculator to be the medium like those jade which has space but mc use a calculator Mc finds ml at the beginning of this arc Ml still cares for her when he finds she is a zombie Ml gains the calculator space and gets the space and gets the grains which solves his grain stocks so he won't have to rely on fl ???? That all I remember does any one know the novel name