高校卒業後、母の勧めで一人、伊豆諸島へと渡った少女・高嶺碧子。
のんびり生活するはずが、降り立った絶海の孤島・青ヶ島での自活は予想外に大変で―――?!
After graduating from high school, a girl named Ako Takamine travels across the sea to the Izu Islands to live by herself at her mother’s recommendation.She was supposed to enjoy a leisurely lifestyle there, but after getting off at Aogashima, an isolated island only reachable by distant sea travel, she finds that becoming self-sufficient is much more difficult than she expected?!