Bondage Hot Springs - The disappearing bride and carved rope marks -

Akane's Hatano Yui and Yukiko's Kawakami Yu prepare for a hot spring trip for her best friend Misaki, who is about to get married. The three arrive at Kagonawaya, a secret hot spring surrounded by mountains and rivers, and immediately soak in the bath, and after a long time they meet again, they start drinking too much. The next morning, when they woke up, Misaki was not seen in front of them, and her bodies were tied up by hemp rope... The three people who thought they were both happy had their own circumstances, and when the terrible secret of Kagonawaya is revealed...