Leila secretly has feelings for her husband, Daisuke's older sister, Shiho. Layla doesn't know this and invites Shiho to her home while Daisuke is on a business trip. Leila is perplexed by Shiho's clever advances towards her, but when her lips are taken away and his naughty tongue intertwines with her, Leila begins to let out a sigh and begins to give in. And the two of them rub their secret parts against each other and let their aching limbs do as they desire...