Oiran Amabie's bizarre and sensual "folk tan collection" that lives in the present age. Osamu Iida was a blind young man. During his trip around Japan, he has a fateful encounter in a lost mountain. "What kind of fuson is it that you don't open your eyes in front of me?" Suddenly there was a girl's voice-the feeling of popping on the eyelids and popping drops. Then, the field of vision of Osamu, which was pitch black, will change color. "Haha ♪ I don't feel bad, who is the first person you saw?" "My noble figure, you should burn it in your eyes-- ♪" ...... It's been a few years since then. Osamu finds out that she is a youkai called "Amabie" as a result of searching the literature. He wants to see her again and thank her. Osamu decides to talk to a man who says, "She has met her." "Hey brother. Do you believe if you say there is a place where you can hang out with youkai?