This is an older four episode light hentai anime that was originally released in 1995. The first two episodes were brought out in English under the title of "First Loves" and bears no relationship to the "Elf version Kakyuusei OAV" and "Kakyuusei TV series" that were released in 1997-1998 and 1999 respectively.

First Loves/Kakyuusei OAV ...