In March 2008, the Osaka Prefecture Court ruled in favor of Ōe, stating, "It can be said the military was deeply involved in the mass suicides."
Keputusan Pengadilan Prefektur Osaka tanggal 28 Maret 2008 mendukung Ōe, menyatakan bahwa, "Bisa dikatakan militer sangat terlibat dalam bunuh diri massal ini."