Arafoo Kenja no Isekai Seikatsu Nikki - Kimamana Isekai Kyoushi Life,Around 40 Kenja no Isekai Seikatsu Nikki - Kimamana Isekai Kyoushi Life,Around 40 Kenja no Isekai Seikatsu Nikki ~Kimana na Isekai Kyoushi Raifu~,Around 40 Kenja no Isekai Seikatsu Nikki: Kimamana Isekai Kyoushi Life,The Diary of a Middle-Aged Teacher's Carefree Life in Another World,アラフォー賢者の異世界生活日記　～気ままな異世界教師ライフ～