It's a bit weird if they get together since in one of their past life's, they had a granfather - grandchild relation. But either then that, all is okay.
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.
Seiheki Strike