Soul Eater Vol 9

Soul Eater Vol 9 by Atsushi Ohkubo. An Action manga rated Older Teen, published in English by Yen Press in 2011.

At the Death Weapon Meister Academy, students train in pairs: a meister and a partner who can transform into a weapon. Maka Albarn and her scythe Soul Eater are trying to collect the souls of ninety-nine evil humans and one witch, which will turn Soul into a Death Scythe worthy of Death himself.