Haro/Getting the game

Two versions of the game exist: Japanese and English. Both are sold via DLSite.come

Buying Japanese version
The direct link to the product is at http://maniax.dlsite.com/work/=/product_id/RJ023758 (requires age verification).

The cost of the software is 1,890 Yen, and may be purchased by an American credit card. Depending on the exact conversion rate of the purchase, the total should be slightly less than 20 US Dollars.

Buying the English version
The direct link to the product is at http://eng.dlsite.com/work/=/product_id/RE023758.html

The cost of the software is 2,100 Yen (approximately USD $21.36  /  EUR €16.39  /  GBP £15.20).