The Gaucheron poem in Japanese translation by the late Hakko Oshima [ja] is "Hiroshima no hoshi no moto ni ヒロシマの星のもとに", available via oshimahakko.work. Originally published in print in Oshima tr. (2003) Fushinban, Koyo Media, which was translated from Gaucheron, État de veille (and other works).
The Gaucheron poem in Japanese translation by the late Hakko Oshima [ja] is "Hiroshima no hoshi no moto ni ヒロシマの星のもとに", available via oshimahakko.work. Originally published in print in Oshima tr. (2003) Fushinban, Koyo Media, which was translated from Gaucheron, État de veille (and other works).