Kouya no Hanayome

A woman is found unconscious by a group of foragers during the Stone Age. With a need for a spouse, the oldest member of the group, who is biologically female but considered a son, chooses to wed her. The group engages in activities such as hunting mammoths, singing, dancing, napping, and visiting hot springs. These Stone Age women live a relaxed life in the era just before the Ice Age.