A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.

This is Gameindustri. Beings called Goddesses rule the countries of this unreal world. The four goddesses govern four states: Planeptune, Lastation, Lowee and Leanbox. For many long years these countries fought each other over the Share, the source of the Goddesses' power. However, fearful that the conflict would pointlessly erode their strength, the goddesses signed a Friendship Treaty forbidding them from taking the Share by force. Under the treaty, the Goddesses and their younger sisters took a step forward to a new stage in their relations. It is the dawn of a new, dynamic era marked occasionally by shared laughter, disputes as well as cooperation. But what does the future hold in store for Gameindustri...?

Four years ago, Kazuma Kannagi was defeated by his cousin Ayano Kannagi for the right to be the successor of Enraiha, a sword passed down in the Kannagi family. His defeat, along with his lack of talent for En-Jutsu, the fire arts, the Kannagis' specialty, resulted in his banishment from the family. Now, Kazuma returns as Kazuma Yagami, a skilled master of Fū-Jutsu, the wind arts.

Mukoujima Takurou is a lonely teenager who spends his time fishing at the pier and, to his incredible surprise, fishes up Muromi, a mermaid. Muromi first off doesn't realize she's a mermaid until she meets Takurou. Not only that, she is incredibly dense and crazy and has a drinking problem to top it off. Now every time Takurou goes fishing, Muromi appears and makes life interesting for him.

The year is 1931. Prince Tokugawa Yoshinobu holds absolute control over Japan. Remnants of the Meiji era’s culture can be seen around the city, but scientific technology and Japanese esoteric cosmology Onmyodo are also developing. Yet lurking behind the glitz is Kuchinawa, a dissident group planning the assassination of the prince. Tasked to extinguish these dissidents is Nue, the government’s secret executioner group. Sawa Yukimura, who works for this organization, suffered at the hands of the Kuchinawa boss. Her entire family was murdered and she dedicated her life to avenging their death.

Unaired episode 13 of Choujigen Game Neptune: The Animation, included in the 7th BD/DVD volume.

Magikano is a manga series by Takeaki Momose, which was later adapted into an anime series, directed by Seiji Kishi and written by Hideki Mitsui. The anime series was also broadcast by Animax, who adapted and dubbed the series into English for broadcast across its English language networks in Southeast Asia and South Asia from February 2007, where the series received its English language premiere. ADV Films has licensed the rights for the North American release of Magikano on DVD for $65,000, and released the first volume on December 4, 2007. ADV Films' Anime Network began airing the anime on January 3, 2008 on their Subscription On Demand platform. On March 6, 2008 the anime began airing on their Free On Demand platform. In July 2008, the series became one of over 30 ADV titles to be transferred to Funimation.

Rec is a Japanese manga about an aspiring voice actress by Q-Tarō Hanamizawa. A nine-episode anime adaptation by Shaft aired between February and March 2006; an original video animation episode was also produced.

live action Lovely Idol

The fanclub of a deceased Japanese idol gather together for the one year anniversary of her death. By combining forces they try to unearth the true circumstances surrounding her supposed suicide.

The Goddesses and their sisters take a camping trip to "My Summer Vacation Mountain." When the sisters uncover another dimension at the shrine gates, they meet an older version of Neptune. Will they find their way back home, and, more importantly, are two Neps better than one?

Live-action variety program Lovely Idol

At a time when Orica is saddened over her inability to fulfill her role as a Lavateil, or one who can control magical powers through singing Hymns, Laina's airship comes crashing down upon her from the sky. Both of them search for an engineer to repair his airship, meeting Cruze. In the process, Laina inadvertently teaches Orica that the key to singing a successful Hymn is to want to help others from the bottom of one's heart.