■ Introduction page
https: // enoshima 210.work/2018/12/30/kasutera/

■ Game package version can be purchased from the mail order.
https://charon-fuji.booth.pm/items/1125970

■ Original sound track is on sale at mail order.
https://charon-fuji.booth.pm/items/1125977

■ Twitter
https://twitter.com/pariusa

■ Youtube
https://www.youtube.com/channel/UCbQ0YJvzY8YGrh2nJMFFWIw/