Survival in Another World with My Mistress! #4

This volume continues the isekai adventure of Kousuke, who has been transported to a fantasy world alongside his beautiful elf mistress, Sylphy. As they navigate the dangers of this new realm, Kousuke relies on his unique ability to summon modern weapons and items, using them to protect Sylphy and carve out a life in the wilderness. Volume 4 likely deepens their bond and introduces new challenges as they encounter other inhabitants of this magical world.