Season 1
After 6-years' separation, Himenokouji Akito reunites with his twin sister Akiko and they live together once more. However, in the interim, Akiko had developed a serious case of bro-con, romantic feelings for Akito. It doesn't stop there as Nikaidou Arashi, the student council president of his new school, vice-president Nasuhara Anastasia, and Sawatari Ginbei Haruomi, who followed Akito all the way from Kyoto, all move in with him one after the other.
Episodes
1 Brother Love Oct 5, 2012 
2 Indecent Oct 12, 2012 
3 No Bra Oct 19, 2012 
4 Naked Oct 26, 2012 
5 Sexual desires Nov 2, 2012 
6 Mayonnaise & chicken Nov 9, 2012 
7 Chippai Nov 16, 2012 
8 Colorful Nov 23, 2012 
9 Nii-Nii Nov 30, 2012 
10 “Gindama” Dec 7, 2012 
11 Ephemeral Dec 14, 2012 
12 It's love Dec 21, 2012