Just from the synopsis, we know that Natsumi begins dating her dead sister's boyfriend. Both characters aren't with other people, but the guilt that accompanies their dating.
06 10,2017
What can a LIST do?
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.
Aishuu