What did you eat yesterday? is a 7-book series with 7 primary works first released in 2007 with contributions by Fumi Yoshinaga.
2007 • 15 Readers • 160 pages • 3.3
2008 • 3 Readers • 160 pages • 4
2009 • 1 Reader • 158 pages • 4
2010 • 1 Reader • 154 pages • 4
2011 • 1 Reader • 4
2015 • 1 Reader • 172 pages • 4
2012 • 1 Reader • 4