This is an 18 and above Japanese style animal-boys love Windows adventure game for women.

Having lost his memory and lost in a blizzard, the main character arrives in a mystical mountain village. A village where beasts have the ability to transform into people and talk using human language. This is where he must spend his winter...

There are 110 pages of CG, and that doesn't even include the extras. There are over 25 endings. Depending on the choices you make, the main character can end up an uke or a seme at the end. A time attack element is also in play.

[From DLsite English]