WARNING: There is incest (and it seems to be incest since there is no mention of a remarriage or anything about being stepbrothers.) Also, there is a paedophile chapter at the end. There is no rape if anyone is looking for something positive.
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Straight-kun to Gesu