Sami-chan, who lives alone with her dad, has inherited her mom's silver hair and perfectly round eyes, making her an incredibly adorable daughter. However, this daughter has a secret. When she feels lonely, horns sprout from her head. She's a "half-demon" born from a devil...! Would having a daughter like this bring happiness!? Or... A heartwarming comedy filled with the bond between father and daughter?

まぁ手がかかる・・・でも、こんな娘がいたら幸せだ。

パパと2人暮らしのサミちゃんは、ママ譲りの銀髪、まん丸な瞳でとても可愛い愛娘。だが、この娘には秘密がある。寂しくなるとツノがニョキッと生える、悪魔との間に生まれた「半分“魔”な娘」だった･･･！こんな娘がいたら幸せ!?それとも･･･
父娘の絆が満ち満ちるハートフル？コメディー！