The synopsis for this and the actual story are completelyyyy different from one another lmao. This isn't "Human System." I believe the actual title for this is "Akai Ito 'The Red Thread'."
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.
Cherry Boy, That Girl