Aki and Yuzu are twin succubi whose bond is as profound as their shared thirst for affection. They discover a mortal, Riku, and together explore entwined desires, savoring the raw, intimate whispers of their twofold seduction. Through passionate exchanges, they merge both love and lust, each touch a testament to their deepening emotional and physical union, binding all three in an intense, sensual alliance beyond the bounds of the ordinary.