"Uncle" and "niece"... On the surface, they appear to be an ordinary relative pair, but in reality, they share a secret bond. In front of the family, Kokona acts innocent and pure—the perfect niece. But to her uncle, she shows a submissive, affectionate side, willingly yielding to his desires. The uncle deeply loves Kokona, whispering sweet words to her while also enforcing strict discipline when needed. Kokona, believing in his love, fully accepts herself as his possession. Between them lies a profound connection and a forbidden romance, hidden from the rest of the family. In this twisted intimacy, Kokona daily fulfills her uncle's desires, revealing herself completely to earn his affection.