Shoujo manga with incest ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄
http://www.mangago.me/read-manga/true_love_sugiyama_miwako/
Not blood related http://www.mangago.me/read-manga/junai_labyrinth/
Shoujo manga with incest ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄