frees Hayate from his where they team up with Ayane and Ryu to destroy Alpha-152 and the laboratory. Afterwards, Kasumi decides to find Donovan and defeat him once and for all. Kasumi returns again in Dead or Alive 6, where she predicted an old evil that had been haunting the Mugen Tenshin Clan for many years, Raidou, would return. Thus she ended up writing a letter to her mother Ayame. While she was about to join Hayate and Ayane against MIST, the crime organization behind the fifth and sixth tournament, she was attacked by the mass-produced Kasumi Alpha Phase-4 army, and a prototype robot that resembled Raidou. Ryu saved her twice during these fights. While on her way to MIST's other hidden lab, she, Ryu and Hayate noticed a butterfly spirit signaling that Ayane was in danger. Ayane ended up being captured alongside another girl who happened to be Raidou's illegitimate first daughter, Honoka. The two illegitimate daughters of Raidou are forced to resurrect Raidou as an undead cyber nukenin. While Hayate works to stop the Phase-4 clones and save Honoka, Kasumi manages to save Ayane from being brainwashed by a new young MIST scientist named NiCO. As Ayane still has some energy left, she joins both Kasumi and Hayate in the fight against the resurrected Raidou, together they finally destroy him and leaves no traces of his remains behind. Kasumi clones In the series' storyline, DOATEC uses Kasumi's DNA to create many clones as part of its Project Alpha, which aims to create a perfect fighter. The first of these to appear in the series was , which appeared as Kasumi wearing a crimson ninja suit. Kasumi Alpha is a boss character in Dead or Alive 2 and also appears in Dead or Alive Ultimate. She is defeated by Kasumi and the project undergoes another phase known as Project Alpha-2. Most of Kasumi's chapters in the story mode of Dead or Alive 5 are actually following her other, unknowing clone. The character was later redesigned to appear as a translucent, liquid-like form of Kasumithe ultimate stage of Alpha series human weapons known as , who "detests all things and her goal is only to destroy." At the end of Dead or Alive 4, Alpha-152 flees DOATEC's Tri-Tower after a brief fight with Kasumi. Although not designed as one by the series' original designer and director, Tomonobu Itagaki, Alpha-152 is