I'd been avoiding the 'cliche' i'll protect you -type of manga - i think read the first chapter twice over the past few years and didn't feel any overwhelming age (like other reviewers i can see). and indeed "how wrong i was". started reading it this morning and i'm up to date now. and it's definitely in my top favourites.
The art is not overwhelmingly 'shoujo' and pretty like and kuroshiki is just damn cool. and even better that Teru is not the typical damsel in distress. Funny, an actual deeper story and character development. Just too cute!! Loving it :)