Boku no Imouto wa "Osaka Okan" - Season 1
1 - One Morning, I Got an Osaka Momma for a Sister
Air Date: December 22, 2012
2 - Yes, My Sister is an Osaka Momma!
Air Date: January 5, 2013
3 - My Sister Can't Be This Much of an Osaka Momma
Air Date: January 12, 2013
4 - She's an Osaka Momma, but What's It Matter If We've Got Love?
Air Date: January 19, 2013
5 - Osaka Momma's Home
Air Date: January 26, 2013
6 - Recently, My Sister is a Bit Osaka Momma-ish
Air Date: February 2, 2013
7 - One of These People is an Osaka Momma!
Air Date: February 9, 2013
8 - Or it May Be a Present Progressive Osaka Momma
Air Date: February 16, 2013
9 - The Osaka Momma Sister and the Suffering Me
Air Date: February 23, 2013
10 - My Sister is the Osaka Momma Goddess
Air Date: March 2, 2013
11 - Seems the Recent Osaka Momma Craze is All Thanks to Me
Air Date: March 9, 2013
12 - Namika-han@Unmotivated
Air Date: March 16, 2013
13 - Episode 13
Air Date: April 19, 2013