Ian's Journey to Another World

Just travel through time, and Ian also met the unreliable red-haired goddess (a goddess who calls herself a goddess) Fika. The development of technological civilization in this other world is faster than that of Earth, so what's the point of me traveling through it? Ian roared in his heart, staring dumbfounded at the towering skyscrapers and the endless crowds of people on the road. How is your sister different from the one on earth?