While relaxing at home one day, Risa, a young woman with no interest in finding love, has her world turned upside down when Rui, her Prince-like older brother who she's only ever seen in photographs, pays her a sudden visit.
From the moment they meet, he kisses her, undresses her, and...
They may not be blood-related, but as siblings, this kind of behavior is... unacceptable! That said, Risa's finding it harder and harder to resist these pleasant sensations...!!When Risa finally gets to meet the older brother she's admired for so many years, curiosity turns to confusion when she suddenly finds herself the object of his longing!

Official English Translation