Japan has 8% tax included in prices, tax expected to become 10% in April so adjust prices accordingly

排泄少女9 - 324 JPY
http://www.toranoana.jp/mailorder/article/04/0030/36/94/040030369421.html - refilled

排泄少女10 - 324 JPY
http://www.toranoana.jp/mailorder/article/04/0030/48/83/040030488343.html - sold out
https://www.melonbooks.co.jp/detail/detail.php?product_id=196275&adult_view=1 - in stock

なかよしトイレタイム - 648 JPY
https://order.mandarake.co.jp/order/detailPage/item?itemCode=1036885485 - in stock

流川より愛を込めて - 400 JPY
https://order.mandarake.co.jp/order/detailPage/item?itemCode=1036885485 - nearly sold out

rest is in pepes pastebin