Do you want a Time Travel/ Reality shifting story ? Here it is. Ichida Izumi is a 25 year old man, who teaches science at a university. One day when he was coming to his home, he encounters a man wearing a mask, he found that strange but since he doesn't like to butt in other people's buisness so, ignores him, when he came home he found out that his little sister doesn't exist anymore. Book Cover : Steins;Gate (Anime)
4 parts