Book 1

Mar 28, 2006
English
Paperback (210 pages)

Book 2

Jul 5, 2006
English
Paperback (242 pages)
Jan 1, 2003
Japanese
Paperback (259 pages)
Sep 1, 2008
German
Paperback

Book 3

Oct 26, 2006
English
Paperback (289 pages)

Only the Ring Finger Knows Vol. 3

by Satoru Kannagi, Hotaru Odagiri
Oct 25, 2002
English
Paperback (298 pages)

Book 4

Jun 23, 2009
English
Paperback (200 pages)

Book 5

Sep 11, 2012
English
Paperback (268 pages)
Jan 1, 2009
German
Paperback (259 pages)