A runaway girl with nowhere to go and dark desires finds herself connected to a man with similar intentions through the shadows of the internet. Although they should never have met under normal circumstances, their paths crossed due to their lonely isolation. While not entirely innocent, Tsubame still retained her youthful naivety and purity. The man took advantage of this by acting kindly towards her, making her feel safe and secure. As their relationship progressed, Tsubame's body blossomed under his guidance, eagerly submitting to his every whim.

家出をして行き場のない孤独な少女とどす黒い下心を抱えた男。まともな世界であれば絶対に出会うはずのない二人はネットの闇を介して繋がり合った。つばめは全くの初心というわけではなかったが、まだ心も身体もあどけなさを残し未熟だった。男はそんな少女に親切にし、まるで自分が清廉であるかのように振る舞い油断させた。つばめの未成熟で素直な身体は間もなく開発され、喜んで男の欲望に身を任せるようになっていた。