阪急に「1扉車」誕生へ 初の有料座席指定「プライベース」詳細が判明「まずは1時間あたり最大3本」2024年開始
Hankyu Electric Railway will have one door coach by installation of Privace car requiring additional fee
https://news.yahoo.co.jp/articles/046d0482dd09fda8b3df7b3f71c0ea9b41c86b39
(Summary)
・The name is the combination of "Private" and "Space".
・The coach will be added to 9300 series and 2300 series
・2 or 3 services per hour from 2024. 4 to 6 services per hour from 2025.
・Seats can be reserved from websites.
(Summary ends)
So, all of the major railway companies in Osaka will have coaches requiring additional fee.