The protagonist is Yuyu, a 17-year-old second-year student in J system. She has recently matured but still remains innocent and straightforward girl. The neighbor, a bachelor who enjoys showing off his wealth, teases Yuyu by making her dream about him while secretly harboring strong sexual desires towards her. Story: Living next door to Yuyu are her parents in a house owned by a bachelor. This man, who goes by 'uncle', has been eyeing the cheerful and friendly Yuyu for some time now! When he finally gets the chance to deflower her, things take an unexpected turn... *Note that the recorded contents may vary depending on the distribution method.

■主人公:ゆゆ J系2年生の〇7歳。最近大人びてきたけどまだまだ無垢で素直な少女 ■隣の家のおっさん 独身貴族の余裕を見せてゆゆに夢を見させる男（性欲だけは人一倍） ■ストーリー 男（おっさん）の隣の家に両親と住んでいるJ系ゆゆ。誰にでもいつも明るく挨拶してくれるさやしいゆゆをおっさんはひそかに狙っていた！そしておっさんにゆゆを犯せる絶好のチャンスが回ってきたのであるが…。※ 配信方法によって収録内容が異なる場合があります。