Monsters Club

In a secluded snow covered mountainous area, Ryoichi Kakiuchi lives alone, completely disconnected from the rest of the world, and makes cigar triggered bombs. He mails out the bombs to corporate executives. Ryoichi hopes to break the Japanese social system. He then decides to send his last bomb to the Prime Minister of Japan. On that night, his older brother, who is thought to have killed himself, appears in front of Ryoichi. From his brother's appearance, Ryoichi Kakiuchi learns of his family's secret and that which is related to his fate.
(Source: AsianWiki)