Publication from Japanjp/SG1小学一年生19 issues, 2008 to 2010, in Japanese.Indexed19 of 19 issuesIssues192000s 14 issues2008 82008-042008-052008-062008-072008-082008-092008-112008-122009 62009-012009-022009-032009-042009-052009-112010s 5 issues2010 52010-022010-042010-052010-062010-07