Half a year after the battle in Okinawa, Excel was looking for a new Mototsumitama to revenge on Reishin. Excel met Mikami and decided to contract with her. Before making the contract, Excel looked back at the encounter with Steiner.

Kill Me Baby is the touching story of Yasuna, a normal (?) high school girl, and Sonya, her best friend who happens to be an assassin. Unfortunately, little Sonya's trained assassin instincts often work against her and others in her daily high school life, as Yasuna's often-broken wrist can attest to. She just wanted a hug, but she ended up with a broken neck. Isn't it sad? No, it's hilarious. Not even Yasuna's intense ninja training can prepare her for the exciting adventures in this explosive 4-panel manga adaptation.

Three hundred years ago, in the frigid land of Siberia, Jubei Yagyu engaged in a fierce battle with Kitaretsusai of the Northern Yagyu clan. The duel was costly, as his daughter Freesia was frozen in suspended animation. As a result of global warming in the present day, Freesia breaks free from her icy grave and moves to Japan as a middle school transfer student, where she befriends Jiyuu Nanohana. Little does Jiyuu know that Freesia is targeting her to acquire the coveted Lovely Eye Patch, which Freesia believes is rightfully hers.

Alternative version of final four episodes of High School DxD BorN.