 If you liked
Oniichan dakedo Ai sae Areba Kankeinai yo ne!
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 ...then you might like
Boku no Imouto wa "Osaka Okan"
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Similarities:
Both involves brother and sister who were separated and reunited with one another.
Both sister and brother live together.
Both involves a brother who cares for his sister.
Both share the same comedy genre.
Dissimilarities:
One is a full length anime while the other is a 5 min omake.
One has brocon while the other is strictly in a brother and sister relationship.