(W/A) Hideo Yamamoto homeless and his nights in his vehicle, he has little to his name-but not so little that he'll agree to be the subject of a scientific experiment. An unnerving medical student is stalking him and offering to pay Nakoshi a significant sum to test trepanation: the ability to draw out a sixth sense by drilling into the skull. Nakoshi refuses. When Nakoshi's beloved car is towed, though, he finally agrees to cash and the operating table. At first, the experiment seems to bear no fruit, and Nakoshi's life is unchanged. That is, until Nakoshi realizes his vision has warped in his left eye... showing him the twisted homunculus inside every human.

(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 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!