I don't know if this story will stay in that list. If the 'harem' aspect becomes too strong I will remove it because it's really not something I like in this type of story.
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.
I Became Invincible After Descending