Good find, Super!. The Tomony store is at Naka Station on the Seibu Line in the northern suburbs of Nagoya.
The following information has been gleaned from Seibu Railway website: https://www.seiburailway.jp/fan/10243/index.html
Released 21st December 2019 (at Seibu Ikebukuro Main Store 9th floor rooftop floating garden special venue!)
General release 26th December, 2750 yen.
Can be purchased from the mail order shop of PROSPA Co., Ltd. from Friday, December 27.
http://www.prospashop.com/
The following information has been gleaned from Seibu Railway website: https://www.seiburailway.jp/fan/10243/index.html
Released 21st December 2019 (at Seibu Ikebukuro Main Store 9th floor rooftop floating garden special venue!)
General release 26th December, 2750 yen.
Can be purchased from the mail order shop of PROSPA Co., Ltd. from Friday, December 27.
http://www.prospashop.com/