<p>Kyousuke's younger sister Namika has been living apart from him for ten years. One day, she returns and begins to live with him again, but she has turned into an energetic Osaka girl.</p>

Episode 1 - One Morning, I Got an Osaka Momma for a Sister.

Episode 2 - Yes, My Sister is an Osaka Momma!

Episode 3 - My Sister Can't Be This Much of an Osaka Momma

Episode 4 - I'm an Osaka Momma, But What's It Matter If We've Got Love?

Episode 5 - Osaka Momma's Home

Episode 6 - Recently, My Sister is a Bit Osaka Momma-ish

Episode 7 - One of These People is an Osaka Momma!

Episode 8 - Or it May Be a Present Progressive Osaka Momma

Episode 9 - The Osaka Momma Sister and the Suffering Me

Episode 10 - My Sister is the Osaka Momma Goddess

Episode 11 - Seems the Recent Osaka Momma Craze is All Thanks to Me

Episode 12 - Namika-han@Unmotivated

Toho

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Boku no Imouto wa "Osaka Okan"(2012)

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Boku no Imouto wa "Osaka Okan".css-1qyv5d2{margin-left:0.6rem;font-size:0.9rem;color:#6c6c6c;}@media (min-width: 481px){.css-1qyv5d2{font-size:1.2rem;}}(2012)

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Boku no Imouto wa "Osaka Okan"(2012)