Japan's assassins are controlled by "Kujira" (Japanese for "Whale")... Kuro Kitagami lives an ordinary life, unaware of the common sense of the underworld. However, his friend is killed by a mysterious assassin. He is saved by the assassin Syagura, and upon learning of a rivalry aimed at Kujira's successor, the young man vows revenge and heads into the sea of ​​hell... A brilliantly colored killer action film from a cutting edge artist!!