Boku no Imouto wa "Osaka Okan": Season 1 - 13 Episode s
1x1 - One Morning, I Got an Osaka Momma for a Sister
December 22, 2012
1x2 - Yes, My Sister is an Osaka Momma!
January 5, 2013
1x3 - My Sister Can't Be This Much of an Osaka Momma
January 12, 2013
1x4 - She's an Osaka Momma, but What's It Matter If We've Got Love?
January 19, 2013
1x5 - Osaka Momma's Home
January 26, 2013
1x6 - Recently, My Sister is a Bit Osaka Momma-ish
February 2, 2013
1x7 - One of These People is an Osaka Momma!
February 9, 2013
1x8 - Or it May Be a Present Progressive Osaka Momma
February 16, 2013
1x9 - The Osaka Momma Sister and the Suffering Me
February 23, 2013
1x10 - My Sister is the Osaka Momma Goddess
March 2, 2013
1x11 - Seems the Recent Osaka Momma Craze is All Thanks to Me
March 9, 2013
1x12 - Namika-han@Unmotivated
March 16, 2013
1x13 - Episode 13
April 19, 2013