A colllection of stories:1-5. Idol Sister
Takano Ayaka is a successful idol that constantly gets voted as the most popular from her group, however for her things aren't exactly as they seem as she has a pretty big secret that involves her brother.... Well, it's more like a secret relationship as hinted by the genre.
Her brother, for his part, is a huge sis-con and is pretty happy as how things are going around "Aya is my Idol only", are his thoughts....
... Now, we wouldn't have a story if these two wouldn't face any sort of complications at some point, would we?
6-11. Risa
Ayasegawa Risa is a high-school student at Seika Gakuen, she is a respected oujo who is hailed as the school princess and is well liked for her respectful and modest personality along with her great looks. She is even the daughter of the school principal.
And more...