In an old antique store off a back alley, the vocalist of Vanishing Starlight discovers a futuristic information terminal in the form of a pair of sunglasses with the ability to transcend time and space. He's then possessed by a mysterious cat being, and his adventure begins.

Note: This manga is an omnibus collaboration between several artists, based on the fantasy band Sound Horizon's 9th Story CD, Nein, which depicted some of their earlier stories in "what if" scenarios.

From Eternal Bunny Love:

Colors. Death. Life. Questions. More questions. Will they be answered? Maybe a Roman could shed some light...

Based on an album of the same name, by the band Sound Horizon.

Sound Horizon and Katsura Yukimaru are back together, this time with an adaptation of the band's 6th Story CD Moira!

Heroes of the distant world of myths.
Who is the one guiding them?
The world woven by the thread of fate..

Based on the fantasy band Sound Horizon's Prologue Maxi Ido e Itaru Mori e Itaru Ido and 7th Story CD Märchen.

Fairy tale of light and darkness. Connecting and spinning everything will be linked.

An interpretation of Sound Horizon's 7th Story CD Märchen.

Will the promise made by the boy and the girl in days of the past come true? The curtain for the revenge tragedy at dusk is lifted.

Noel, a member of a rock band, has hit writer's block and loses his position as lead vocalist. Around the time that his frustration with himself has hit a peak, he encounters a man wearing black clothes and sunglasses at night. While Noel confronts him hostilely, Revo remains calm. But what does he want from Noel?

Note: This is the manga adaptation of fantasy band Sound Horizon's Anniversary Maxi Vanishing Starlight.

Part 1 ends at v2 c13. As of 30.08.2017 there is no date set for a continuation.