Masasumi Kakizaki is quickly becoming one of my favorite mangaka after reading Rainbow, Green Blood, and now this. So far, it's a very good manga with an amazing protagonist who appears to have many layers to his character and a very unique plot compared to some of his previous work. It even has its own power system! I really hope this stays consistent and doesn't drop off like Green Blood did, because while it was good, I thought it was a little short and abrupt. I believe others would enjoy this story about these mysterious beings known as "Immortals" and what the "Grim Reaper" andher sidekick the Protagonist "Grim Reaper Hand," also known as Nawa, will do to stop them. I recommend that you all give it a read and enjoy!