In his younger days, yakuza officer Akabayashi met Sayaka, the mother of Anri Sonohara, who held Saika within her...and this chance encounter changed his life forever. Meanwhile, Mikado begins a purge of the violent members of Dollars, an assassin menaces Izaya, and somehow Shizuo's getting all the ladies...?! There's never time to sit back and relax in Ikebukuro!