Complex sentence: Kameari Koen is an actual park in Tokyo's Katsushika ward; the station is fictional but modeled after a real one located on the north side of Kameari railway station.
Split into simpler sentences: Kameari Koen is an actual park in Tokyo's Katsushika ward. The station is fictional, but it is modeled after a real one located on the north side of Kameari railway station.