noun
Seibu Ikebukuro Line
Proper noun referring to a specific railway line operated by Seibu Railway in the Tokyo area.
西武池袋線で池袋から所沢まで行きます。
I go from Ikebukuro to Tokorozawa on the Seibu Ikebukuro Line.
Named after the Seibu Railway company and the Ikebukuro district in Tokyo.