Maria Rose is burdened with debt after a strange event, and his sword, "Fake Consuming Inferno" is confiscated. At that time, Katari, a member of her clan, got a hold of some profitable information, but to obtain it, they have to go to an "Underground Raid", but things aren't as easy as it seems.

"Awake." After waking up from hearing this word, the first thing that I saw, is this foreign world. For the sake of surviving in this game-like world of Grimgar, we can only remove our hesitation and fight... But sorry, I don't like to follow the path that was arranged for me, I will only walk the path that I desire.

**Elysion: Futatsu no Rakuen wo Meguru Monogatari** is based on Sound Horizon's fourth story CD "Elysion" All worldly things have its causes. The strings of fate intertwines with one another, bringing people's lives along to its ups and downs. Elysion: Futatsu no Rakuen wo Meguru Monogatari illustrates the distinct lives of different people who are all inevitably a part of a never ending cycle...

The first half of the 1990s, in Hokkaido, all begins encounter and separation of Towako, with a mysterious power and Natsuhiko Hibino, which have a mediocre live. Classmate Singh bird of alien twins who are interested in Towako sister and piggyback boys and girls is "fate distorted" his father black snow-rare childhood friend suggesting Natsuhiko and behavior speculation they interlaced, various mystery will become increasingly apparent by the presence of the mystery "ANGEL+DIVE."