東方儚月抄 ～ Cage in Lunatic Runagate is a series of side stories that complement 東方儚月抄 ～ Silent Sinner in Blue.
東方儚月抄 (romanized Touhou Bougetsushou, meaning Eastern Ephemeral Moon Vignette) is a loosely interconnected storyline about the Lunarians that includes Silent Sinner in Blue, Cage in Lunatic Runagate, and Inaba of the Moon and Inaba of the Earth. Bougetsushou can be translated as "Ephemeral Moon Vignette": compare with 東方永夜抄 ～ Imperishable Night (romanized Touhou Eiyashou, meaning "Eastern Eternal Night Vignette".)
Written by ZUN, with illustrations by TOKIAME.
The stories themselves are serialized in the magazine Chara Mel.
Pieces of information about dates are by courtesy of the Japanese Touhou Wiki.
- pg. 1: Cover
- pg. 3: Aphorism - added only on hardcover publication
- pg. 5: Index
- pg. 8: First Chapter: The Sage's Recollections - released 2007-06-25 (Chara Mel, Vol. 1)
- pg. 30: Second Chapter: Gem of 3000 Years - released 2007-09-25 (Chara Mel, Vol. 2)
- pg. 52: Third Chapter: The Dragon King's Palace in the Pure Land - released 2007-12-25 (Chara Mel, Vol. 3)
- pg. 74: Fourth Chapter: The Eternal Flame - released 2008-03-25 (Chara Mel, Vol. 4)
- pg. 96: Fifth Chapter: From the Infinitely Low Earth - released 2008-06-25 (Chara Mel, Vol. 5)
- pg. 118: Sixth Chapter: The Fool's Sealed Letter - released 2008-09-25 (Chara Mel, Vol. 6)
- pg. 138: Seventh Chapter: Half-body Half-loyalty - released 2008-12-25 (Chara Mel, Vol. 7)
- pg. 160: Last Chapter: Two Kinds of Homesickness - the former half released 2009-03-25 (Chara Mel, Vol. 8), the latter half 2009-06-25 (Chara Mel, Vol. 9)
- pg. 188: Afterword