Great art, interesting plot. Life is hard and tragic for both of them.. Beware big age gap 6 & 16 when they met. Basically 2 kids help and protect each other. I'm waiting for the time skip when both are adults, hopefully it won't take another 2 years..
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.
Once Upon the Gates of Hell