[Reducing Mosaic]GAJK-014 A high school girl bound and trained in a warehouse, abandoned by her mother and becoming the plaything of her stepfather, she falls into the ropes of hellish despair and pleasure. Poor Kana Shiraishi.

Kanna lives with her mother in a rural village. Though poor, they had happy days together. However, everything changed when the man her mother brought home moved in. Every night, he would go into the storeroom with Kanna's mother and not return until morning. One day, upon returning home, Kanna was told by the man that her mother had left. 'That woman sold you off and ran away,' he said. Confused, Kanna was taken into the storeroom...