Season 1
Living in the shadow of his talented younger sister, Kyousuke Kosaka conducts a normal lifestyle until he accidentally finds out that she hides a secret. In addition to being smart, pretty, and popular; Kirino Kosaka is also an obsessive consumer of anime and eroge (adult computer games). What will Kyousuke do? Will this tear their already rocky relationship apart or bring them closer together?
Episodes
1 My Little Sister Can't Be My Love Oct 3, 2010 
2 My Little Sister Can't Bring Me to an IRL Meet Oct 10, 2010 
3 My Little Sister Can't Be This Cute Oct 17, 2010 
4 My Little Sister Can't Be Going to Summerket Oct 24, 2010 
5 My Little Sister's Best Friend Can't Be This XX Oct 31, 2010 
6 My Childhood Friend Can't Be This Cute Nov 7, 2010 
7 My Little Sister Can't Be a Novelist Nov 14, 2010 
8 My Little Sister Can't Be Animated Nov 21, 2010 
9 My Little Sister Can't Be This Absorbed Into Eroge Nov 28, 2010 
10 My Little Sister Can't Be Cosplaying Like This Dec 5, 2010 
11 My Little Sister Can't Be This Maid Dec 12, 2010 
12 My Little Sister's Advice Can't End Here (GOOD END) Dec 19, 2010