Set in the early 24th century against the backdrop of the city of Neo Venezia on the planet Mars. No longer the barren red planet, Mars has been flooded, inhabited and is something of a tourist hub for those looking for rest, relaxation and a gondola ride – the primary mode of travel in Neo Venezia. The Undines are professional gondoliers, tour guides for the people passing through. Akari Mizunashi is an Undine in training and this is a piece of her story.

History is coming to an end. When humans came down from the sky they brought with them the Testament, the guide to the path they must follow if they wish to return to the skies again.

Takamiya Honoka is a regular student whose only problem seems to be that he sits next to Kagari Ayaka, the school's #1 beauty. They have never spoken to each other before and any small interaction between them immediately results in her fanclub beating him. Yet when a falling part of the school's building is about to send him to the afterlife, it's Kagari that comes to his rescue. Only... she's dressed as a witch, carrying him in her arms and floating on a broom?! Kagari tells him it is her mission to protect him and that now she can finally protect him openly rather than undercover.

Tooru and Run have been best friends forever, so when Tooru learns that she's managed to get into the same high school as Run, she runs to tell her... only to find Run in a compromising position with yet another girl, Yuko. Needless to say, that makes things a bit awkward at school, with Tooru fending off those who might be interested in Run while Yuko and their other girlfriend, Nagi, have to deal with Run's own penchant for drama.

In Sakurashin, humans and demons live side by side in peace. But when a series of strange events threatens the delicate balance of their town, it will be up to four superpowered teens to restore order and save the day!

In the big city of Yanagihara, the masses of people and buildings make it a bustling place to exist, and yet, people will meet and fall in love here in this city.

OVA bundled with the OreTsuba PC game.

An OVA based on the visual novel of the same name, A Kiss for the Petals: Becoming your Lover follows two high school students Mai Sawaguchi and Reo Kawamura after they confess their love to one another.

Story revolves around the release of a mysterious virus that causes an intense and irresistible sexual desire in infected people.