I think it's my first time posting, hope you don't mind the thread-resurrecting!
I have the same taste for incest so thank you so much for the suggestions! I'd like to add some titles:
Saraba, Yoki HiKaori no Keishou Spoiler (mouse over to view)
They are presented as step-brothers but eventually find out they're related by blood
Into your heart through the door - this one's with an adopted brother, BUT I like it nonetheless because the struggle and the tension are still there, it's not the usual "oh well we're not related so w/e" - on the contrary, the adopted brother's feeling of alienation from his family because he's not related by blood plays a role too.
Ore wa warukunai - two side characters are half-brothers in love, they have one or two chapters of the main story focusing on them.
I'm not sure but I think
Rika the Breeder/Tetsu x Rika has some brothers incest (I read it ages ago)
Lastly, it's father/son but
Not Equal is brilliant, and involves time travel so the age gap "in the past" is not that big 😁
Last edited by ~ a y a . c h a n at 3:00 pm, Jun 26 2019