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Of all the residents of Osaka who lead interesting lives just by living normally, by far the most interesting of them all is the “Osaka Momma.” A little sister with this sort of “Osaka Momma” personality has just moved to Tokyo to live with her brother after living apart for ten years!
(Source: Crunchyroll)
Alternative Titles: Boku no Imouto wa “Osaka Okan”, Boku no Imouto wa “Oosaka Okan”, 僕の妹は「大阪おかん」