Mugen no Kyokai 「夢現の境界」

Mugen no Kyokai
夢現の境界
known almost exclusively as The Boundary Between Dream and Reality

メーカー: Five Ways 2000-2001
Unconfirmed licence by AV Box for Region 1 release….

Four Episodes (第4章)
The futanari is animated in episode three.

^{anidb:

The main character `Kengo` keep`s having dreams of a strange world where different animal (and plant) women are being raped by strange monsters, why is this and what is this strange dream world?

Before long it become more than just a mere dream….}