Fujimaru Ritsuka had always thought that, because of his name, he had transmigrated into the world of FGO. But seventeen years passed, and he became a second-year student at Shuchiin Academy. He met Shinomiya Kaguya, Fujiwara Chika, and even Kiana, yet Chaldea still hadn't come for him. He realized that Chaldea didn't exist in this world, or perhaps the one who saved it was Shirou's sister, Fujimaru Rikka. But just as he was about to embark on a new chapter of his life, a parcel delivered to his door left him completely dumbfounded.