A man whose wife left him drowned his sorrows in alcohol, until all he had left was the adorable daughter Sakishi. Concerned about her father, Sakishi one day accidentally witnesses his masturbation session. Thinking she could offer some comfort, she decides to help him out. This leads to them quickly falling for each other, igniting their forbidden love affair!

妻に出て行かれ酒に溺れていた男に残されてのは可愛い娘の咲希だけだった…父を心配する咲希はある日､父の自慰行為を目撃してしまう｡淋しいのだろうと思い少しでも慰めることが出来たらと自慰行為を手助けする咲希､これを機に二人は急速に魅かれ合い距離を縮め禁断の愛に溺れて行くのだ！