Alternative: 異世界らくらくサバイバル～生存スキル強者の俺が美少女四人と暮らす無人島生活～; Isekai Rakuraku Sabaibaru ~Seizon Sukiru Kyōsha no Ore ga Bishōjo Yonin to Kurasu Mujintō Seikatsu~; Isekai Rakuraku Survival ~Seizon Skill Kyousha no Ore ga Bishoujo Yonin to Class Mujintou Seikatsu ~; Easy Survival in Another World ~With My Robust Survival Skills, I’ll Live on an Uninhabited Island With Four Beautiful Girls~ ; Isekai Raku Raku Survival: Seizon Skill Tsuwamono No Ore Ga Bishoujo Shiri To Kurasu Mujintou Seikatsu ; Easy Survival in Another World: With My Robust Survival Skills, I’ll Live on an Uninhabited Island With Four Beautiful Girls ; Isekai Rakuraku Survival: Seizon Skill Kyousha no Ore ga Bishoujo Yonin to Class Mujintou Seikatsu