In the future, the Japanese government captures a class of ninth-grade students and forces them to kill each other under the revolutionary "Battle Royale" act.
It's three years after the events of the original Battle Royale, and Shuya Nanahara is now an internationally-known terrorist determined to bring down the government. His terrorist group, Wild Seven, stages an attack that levels several buildings in Tokyo on Christmas Day, killing 8000 people. In order for the government to study the benefits of "teamwork", the new students work in pairs, with their collars electronically linked so that if one of them is killed, the other dies as well. They must kill Nanahara in three days - or die.
In a small Tokyo apartment, twelve-year-old Akira must care for his younger siblings after their mother leaves them and shows no sign of returning.
A mysterious video has been linked to a number of deaths, and when an inquisitive journalist finds the tape and views it herself, she sets in motion a chain of events that puts her own life in danger.
Yuta lives in an orphanage while waiting for her mother to pick her up. One day, Yuta, who happened to know his mother's whereabouts, escaped from the facility with all his heart. However, there was a mother who depended on her cohabiting man and lived a self-deprecating life. Despaired, Yuta meets Sakamoto, a homeless man who lives in a light tiger while walking along the beach. Sakamoto accepts Yuta without asking anything. The two sleep and eat together while earning a small amount of money. Eventually, he became acquainted with Shiori, a girl who grew up in a wealthy family but had no place to live at home or school. Yuta is attracted to Shiori, who has the same loneliness as himself but is kind to him. However, the calm days end with an incident.
Kenji and Aya spend their summer days in a Hotel. While she is doing her own thing, he tries to work on his novel. But then a few strange hotel guest arouse the curiosity of the couple.
Before he was a protector, Kenshin was a fearsome assassin known as Battosai. But when he meets gentle Tomoe Yukishiro, a beautiful young woman who carries a huge burden in her heart, his life will change forever.
Toma lives in a small riverside town with his brutish father and his father's girlfriend. Witnessing his father's predilections for abuse, Toma becomes anxious that he will have inherited those urges.
After Shogo Ogami’s death in Hiroshima, Detective Shuichi Hioka successfully implemented Shogo Ogami’s plan, which was to control the yakuza to prevent further gang wars and save innocent people from getting harmed. Shuichi Hioka manages the criminal organizations, but, due to one evil person who gets released from prison, the situation drastically changes.
A teenage girl's accidental death incites a media frenzy and causes her harsh father to turn his rage against those he believes are responsible.
Murakawa, an aging Tokyo yakuza tiring of gangster life, is sent by his boss to Okinawa along with a few of his henchmen to help end a gang war, supposedly as mediators between two warring clans. He finds that the dispute between the clans is insignificant and whilst wondering why he was sent to Okinawa at all, his group is attacked in an ambush. The survivors flee and make a decision to lay low at the beach while they await further instructions.
Kenshin has settled into his new life with Kaoru and his other friends when he is approached with a request from the Meiji government. Makoto Shishio, a former assassin like Kenshin, was betrayed, set on fire and left for dead. He survived, and is now in Kyoto, plotting with his gathered warriors to overthrow the new government. Against Kaoru's wishes, Kenshin reluctantly agrees to go to Kyoto and help keep his country from falling back into civil war.
Japan is thrown into a panic after several ships are sunk near Odo Island. An expedition to the island led by Dr. Kyohei Yamane soon discover something far more devastating than imagined in the form of a 50 meter tall monster whom the natives call Gojira. Now the monster begins a rampage that threatens to destroy not only Japan, but the rest of the world as well.
Journalists Ichiro Sakai and Junko cover the wreckage of a typhoon when an enormous egg is found and claimed by greedy entrepreneurs. Mothra's fairies arrive and are aided by the journalists in a plea for its return. As their requests are denied, Godzilla arises near Nagoya and the people of Infant Island must decide if they are willing to answer Japan's own pleas for help.
A samurai answers a village's request for protection after he falls on hard times. The town needs protection from bandits, so the samurai gathers six others to help him teach the people how to defend themselves, and the villagers provide the soldiers with food.
A young boy takes interest in piano while his family begins to disintegrate around him after his father loses his job.
The struggles of a group of outcasts living in "Yentown", in an alternate-future Japan.
Kazuhiko Takano and Ryoichi Taoka are industrial spies. A conspiracy exits behind the technology which can shake the political and economic world in Japan. Takano faces Korean spy Kim, a mysterious woman Ayako and powerful men from various countries.
Backed into a corner by mounting debts, a youth agrees to submit himself to a high stakes game of chance in international waters aboard a disused warship.
People mysteriously start receiving voicemail messages from their future selves, in the form of the sound of them reacting to their own violent deaths, along with the exact date and time of their future death, listed on the message log. The plot thickens as the surviving characters pursue the answers to this mystery which could save their lives.