Koyuki Tanaka's boring life is changed after meeting Ryusuke Minami, a local musician with a bad attitude, who introduces him to foreign music.

Shūichirō Kiriyama works at the Limitation Task Force, the place where the cases which have reached the statute of limitations are destroyed. Getting bored of his job, he decides to find a hobby, because it seems important to him to have a hobby. So he decides to puzzle out the unsolved cases on his free time, helped by his coworker Mikazuki, who seems to have a crush on him.

The struggles of a group of outcasts living in "Yentown", in an alternate-future Japan.

When the bizarre mass suicide of 54 high school girls throwing themselves in front of a subway train appears to instigate a string of suicides around the country, Detective Kuroda strives to find the answer, which isn't as simple as he had hoped.

After dying in a bus crash and falling to hell, high schooler Daisuke joins a demonic rock band so he can be reincarnated back into the mortal world.

Keisuke Kuroda wakes up in a hospital bed unable to remember who he is. While sneaking out of the hospital, he sees a glimpse of the news and realizes that he is the Prime Minister of Japan. His approval rating was the lowest in the history of modern Japan. During a recent speech, a citizen had thrown a rock at him causing him to lose his memory. Keisuke Kuroda’s subordinate takes him to the official residence of the prime minister where he tries to implement changes to the country. The only people aware that he has lost his memory are his three secretaries.