(W/A) Hideo Yamamoto Nakoshi Susumu, age thirty-four, lives out of his car. Between spending his days with the homeless and his nights in his vehicle, he has little to his name. When a medical student begins to stalk him, offering to pay Nakoshi a significant sum of cash to undergo a strange surgical procedure, Nakoshi initially refuses. But after his beloved car is towed, he finally agrees to take the offer and subjects himself to the operating table. What, if anything, will Nakoshi see differently once he awakens? Collects the original volumes 3 and 4.

(W/A) Hideo Yamamoto Nakoshi faced the robot yakuza and the high school girl made of symbols head on-and in doing so, rid them of their monstrous traits. But now those twisted attributes have transferred to Nakoshi! To get closer to the truth about himself and his new, disturbing reality, he confronts the homunculus of the med student who started it all-Ito.

(W/A) Hideo Yamamoto The final volume! The homunculi have all vanished! All but one-a mysterious woman whose face shifts constantly, and who won't leave Nakoshi alone. In a desperate attempt to uncover his truth and hers, Nakoshi bites the bullet and performs trepanation on himself. Will he survive the procedure and find the answers he's so desperately seeking? Collects volumes 9 & 10.

(W/A) Hideo Yamamoto Ichi is a cowardly man-that is, until he breaks down into tears. When Ichi is pushed into a mental breakdown, he becomes a ruthless killer who can wreak havoc on the people around him. When he gets mixed up with the sadomasochistic yakuza boss Kakihara, it triggers an orgy of blood, violence, and unmatched depravity. The twisted original manga that inspired the spectacularly gory film!