Follow the twin siblings Ayumu and Nemu as they arrive in the mysterious small town of Henyutamei. Every resident seems to know them well, even though they have just set foot there. This strangeness leaves the two siblings confused about what is happening in their lives, but that question will soon be answered.
Amid school activities and newly budding relationships, the siblings must face dark secrets. Beneath the town’s friendly exterior lie things no one wants to mention. The two of them must uncover the truth on their own. Their intimate encounters also begin from this point onward.
