Dual! Parallel Trouble Adventure Special is a special anime that premiered in fall 1999.

About the production: the story comes from an original script, there is 1 episode of about 29 minutes and its current status is "finished".

Its main genres are comedy, drama, mecha, romance and sci-fi.

On AniList, Dual! Parallel Trouble Adventure Special has an average score of 61%, an average score, and appears on 1,393 users' lists.

The franchise continues in or follows from: Dual! Parallel Lunlun Monogatari.

Peace has been brought to both earths, and everyone is living out their lives as normal citizens. But how normal could life be for war hero Kazuki living with five beautiful women under the same roof... Apparently, he doesn't need to wait long to find out. An ancient artifact that is the key to their adventures in the parallel universes forces Kazuki to hop in the saddle yet again, but this time it's outer space or bust. (Source: Anime News Network)

Official synopsis from AniList.