Princess Memory
English name: Princess Memory
Genres: Fantasy, Hentai
Type: OVA, Episodes: 2
Aired: Jun 25, 2001 to Sep 25, 2001
Studio: Arms
Source: Visual novel
Rating: Rx - Hentai
Synopsis:
Collin, a relatively noble but ordinary man - finds himself lured to a cave by a dream in which a beautiful girl named Feelia appeared before him. Even as he was warned off by the elder of his village, he still feels drawn in... and with the arrival of a beautiful adventurer, and just a trace of seduction... in he shall go. 

But what lies in wait? And what of the mysterious girl who appeared to Collin in his dream?

(Source: AniDB)