The story revolves around different memebers of the family. If i remember right the father is a fashion designer and his children are models.
Theres a chapter where i think is the youngest son is in love with his piano teacher (or maybe just a tutor) but the teacher won't accept him. Teacher gets invited over to their house.
another of the chapter focus around one of the sons and his friend. I think the son catches his friend with some other guys going to do something. his friend actually likes him, but doesn't know what to do and they get one of the older sibling to help them with the situation
also includes one about their farther



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who needs drugs when you got yaoi

Ano Kado wo Magatta Tokoro?
17 Sai no Hisoka na Yokujou?
Hanon?

I don't know... You can check the "piano"+yaoi category too, maybe that helps??

Thank you for the help, those aren't it but they do look interesting OwO
I shall try that ^w^

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who needs drugs when you got yaoi

Sounds like Asakurake no Hitobito