2020.3.25 부디 편
2020.7.2 이로하 카루타 편
2020.7.16 그 통 편
2021.3.9 소용돌이 편
https://www.keihan-holdings.co.jp/news/
https://www.keihan-holdings.co.jp/news/upload/2020-03-24_park-cm.pdf
https://www.keihan-holdings.co.jp/news/upload/2020-07-01_park-cm.pdf
https://www.keihan-holdings.co.jp/news/upload/2020-07-15_park-cm.pdf
https://www.keihan.co.jp/corporate/release/upload/2021-03-09_park.pdf