Special fixed payment is a photo of mapo author. This photo includes Special fixed payment, Pay the bill, cash, 100 thousand yen, ¥ 10,000 tags. To download photo (S, L, M sizes) you need to register the account and log in.
As the free account, you can download for free with some limits.
As the premium account, you can download unlimited, no waiting time, etc. Enjoin premium membership at here