Namori doing the character design definitely shows. The 1st and 0 chapter do seem to jump a lot, but the entire thing seems to be pretty broken up. It seems to be promotional stuff for the anime though, so perhaps that's why.
Yuri - lol. I will not argue that the authors and yuri bait in anime make this a borderline shoujo ai, but it amuses me how the manga adaptation got such a big tag even before the anime itself started showing on TV.