As the sole survivor from a squad that was sacrificed and hung out as scapegoats for embezzlement of military resources at the end of the 100 years war, Mellowlink Arity is out for revenge. Carrying the dogtags of his deceased comrades and armed with a dated AT rifle, he swears to hunt down and exact revenge on the corrupt officers that betrayed his squad, and maybe even uncover the truth behind the plot as well.

Thirteen years after their sudden disappearance, an alien race known as the Heterodyne resurface without warning. To combat the Heterodyne, three office workers from the 21st Century Security Corporation operate Dai-Guard - a giant robot no longer regarded as an oversized paperweight. Unfortunately, Dai-Guard is somewhat obsolete and in disrepair. It's a tough job, but salarymen can also save the world. (Source: ANN)

The Imperial Fighting Troupe is called again to defend Tokyo against the demons. However, this time, the Douglas-Stewart Company is selling a superior fighting machine that will revolutionize Japan's defense and make the Flower Division obsolete. However, the girls suspect something may be wrong when members of their team begin to vanish! But what can they do when their division has been placed on indefinite stand-by status? (Source: Geneon)

For a year and a half, Youko Asagiri has fostered an unrequited love for one of her classmates. To express her affection, she composes a piano solo that she plans to show him when she confesses. When the moment of truth comes, however, Youko is not brave enough to speak to her classmate, and the ground suddenly swallows her up! In an instant, Youko finds herself in the mysterious realm of Ashanti. She quickly makes friends with a talking dog named Lingam, who explains that Ashanti is a sister realm of Noa, the realm that Youko came from. The two worlds were once connected, but they were separated long ago by the warrior Leda in order to protect the people of Noa. Now, Youko's arrival has temporarily opened a path between the realms, which the evil forces of Zell intend to make permanent. The forces of Zell steal Youko's cassette player under the belief that it is the mythical Heart of Leda, a necessary artifact for their nefarious plans. However, Youko manages to evade their capture by transforming into Leda's warrior. With these new powers, will she be able to protect the people of Noa and return to her own world?