

Episodes
12 episodes · 2014
The story is set at Myoujou Academy, a private girls' boarding school. The 10th year's Kurogumi class has 12 assassins with their sights on one target, Haru Ichinose. Tokaku Azuma is a recent transfer student who is also targeting Ichinose, but she gradually develops feelings for Ichinose. (Source: Anime News Network)
E01The World Is Full of ___
★5.7Thirteen students in all in Year 10, Class Black. Twelve assassins, one target. The first to kill the target will get whatever they want. As one of the assassins, Tokaku Azuma joins Class Black and begins to size up the competition.
E02What Dwells in Your Heart?
★5.5All 13 students are now assembled and things are about to get serious. But one of them thinks she can jump the gun and beat everyone to the prize.
E03What's Red, but Isn't Red?
★3Tokaku switches sides to Haru, but the game is still on and the first official Class Black assassination attempt is made.
E04What Comes Suddenly and Never Leaves?
★8It's three straight days of testing for Class Black. While Haru is intent on passing those tests, another one of the girls is intent on killing her.
E05How Do You Get a Bird Out of Its Cage?
★8Class Black prepares to put on a production of "Romeo and Juliet" for the school festival and another assassin tries her luck.
E06Every Pretty Flower Has Its ___
★10Class Black puts on "Romeo and Juliet" in front of a student audience, but with so many deaths in the play, maybe one or two will be real.
E07What Can You Never Outrun?
★8Another assassin tries her hand, but this one proposes a game with rules that will give Haru and Tokaku a chance to beat her fair and square.
E08Which Gatekeeper Is the One Who Lies?
★7The field has been whittled to four assassins. With classes done and a typhoon closing in, Haru and Tokaku are in for a harrowing evening.
E09What Dwells in Your Heart? (Make-up Test)
★8Tokaku faces Isuke and her own inner demons, while Haru desperately tries to stay ahead of Shinya.
E10Who Is the Queen?
★3.3With Class Black down to four students, Tokaku and Haru face off against the person they consider to be their final opponent.
E11How to Distinguish a "Congratulation" from a "Curse"
★9The truth about Class Black is revealed, and Tokaku and Haru must grapple with the implications of this new information.
E12Therefore, the World Is Full of ____
★5.5Now that Tokaku has delivered her advance notice, the three remaining members of Class Black have one last assassination attempt to sort out.
