Satou Matsuzaka is a beautiful high schooler who has a reputation for being permissive with men. However, a chance encounter with a young girl named Shio Koube makes Satou realize that this is her first and only true feeling of love. Telling others that she lives with her aunt, Satou secretly shares an apartment with Shio. Despite her innocent appearance, Satou is willing to do anything to protect her beloved, resorting to desperate measures to ensure that their "happy sugar life" remains intact. [Written by MAL Rewrite]

Short specials added to Blu-ray/DVD volumes.

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: ANN)

When Utopia More discovers an ancient record that holds the key to unlocking the secrets of the universe, she becomes the target of the ruthless Gypsy Doc of the Pirate Guild. Utopia finds herself saved by the easy-going yet legendary space pirate, Cobra, whose custom made Psychogun makes him a force to be reckoned with. Together, the two of them attempt to stop Gypsy Doc (along with Cobra's revived arch-nemesis, Crystal Boy) and his efforts to steal the record and use its secrets to rule the universe.