Family & Found Family
Manga
Not on MAL:
-Susu, Han: Brother-sister
-Susu, Han: Brother-sister

Manga, 4 vol, 2022
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Parent-child. Warning: heart wrenching, but happy ending

Manga, 11 vol, 2020
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Family of four. Soooo funny. Lowkey a sports manga too.

Manga, 4 vol, 2022
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Found family. Made me tear up so many times.

Manga, 11 vol, 2014
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Parent-child, brother-sister, grandmother-grandson

Manga, 4 vol, 2018
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Father-daughter. Warning: heavy, and some mature themes due to the nature of the girl's past. Their relationship is wholesome, dw, but do be warned.

Manhwa, ? vol, 2024
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Father-daughter and brother-sister

Manga, 12 vol, 2011
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Father-daughter except it feels more like mother-daughter

Manhwa, ? vol, 2021
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Mainly a romance but the mother-daughter aspect is important

Manhwa, ? vol, 2024
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Mother-daughter. There's supposed to be romance but atp I lowkey feel bad for her husband bc he's so left out all the time LOL the mother-daughter pair is always in their own little world

Manga, 12 vol, 2012
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Father-son. Warning: bittersweet ending

Manga, 7 vol, 2002
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Brother-sister. Warning: ending made me so sad I pretend the last volume doesn't exist. Cried myself to sleep. BYE BYE YUZUYU <///////3

Manhwa, 12 vol, 2017
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Found family/brother-sister. Warning: Ending so painful it made me hate the entire series hahahaha

Manga, 3 vol, 2018
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Brother-sister. Warning: rather dark, but happy ending!

Manga, ? vol, 2018
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Big brother + twins (boy and girl) although he's more like their parent

Manhwa, ? vol, 2021
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Sisters. Not the main focus and the story has a lot of other stuff going on, but the sisters' relationship is just so especially adorable to me that I had to include. Where's my mini-me little sister :(((((

Manga, ? vol, 2018
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4 brothers, eldest one acts as guardians to the much younger other 3 because their parents passed away.

Manga, 17 vol, 2013
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4 brothers + their tutor, they also have an older brother and a younger sister but they're side characters, the main focus is the 4 middle children

Manga, ? vol, 2009
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Main family is brothers + grandparent-grandchild + just found family in general. Other families too featuring parent-child and sibling relationships.

Manga, 18 vol, 1991
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Father-son & Brothers. Also features another family often where the main focus is the many siblings.

Manga, 20 vol, 2008
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Found family. Guardian-ward, but he's too young and immature to be like her dad, so we'll just leave it at that.