Orenichi was engaged to Aniki's brother, that is before he was murdered. After having carried out her own investigations, she’s found out that his killer was in fact a Yakuza. And having discovered this, her desire for revenge has only increased. However, to carry out a solo attack on a Mafia group would result in certain death, no matter how good a killer you are. So, she’s decided to join forces with Aniki and the Montana Clan not only to claim her revenge but also to avenge the memory of her other half.