Katagiri Yuuji is a divorced, single, lazy gambling addict whose only real activity is playing Pachinko. He does it well enough to get by, but his life is more or less empty... until a young girl named Miura...

The special focus on the meeting of Shishio Makoto and and his significant other, Yumi Komagata. The manga also details how Shishio formed the Juppongatana, his organization of warriors and assassins that he...