Complex sentence: The fleet of 10-car sets currently operates on the Yūrakuchō Line, including inter-running services over the Tōbu Tōjō Main Line between Wakōshi Station and Kawagoeshi Station, and also services over the Seibu Yūrakuchō and Ikebukuro Lines between Kotakemukaihara Station and Hannō Station.
Split into simpler sentences: The fleet of 10-car sets currently operates on the Yūrakuchō Line, including inter-running services over the Tōbu Tōjō Main Line between Wakōshi Station and Kawagoeshi Station. And also services over the Seibu Yūrakuchō and Ikebukuro Lines between Kotakemukaihara Station and Hannō Station.