Manga where twins are identical but one twin is said to be the queen and the other is the shade and lost its potential to the older twin. The grandpa hates the older twin because future readers said the older twin will gain power and kill her own grandpa.
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.
Okobore Hime to Entaku no Kishi