The story is set in the future on the planet named Amoi which is controlled by a supercomputer named Jupiter. Among the mostly male human population, the light-haired elite class is allowed to temporarily keep the dark-haired "mongrels" as pets. One elite member, Iason, encounters a mongrel named Riki in the slums and decides to take him in. However, Iason keeps Riki longer than it is socially approved, and rumors abound about their possible relationship.

The story is set in the future on the planet named Amoi which is controlled by a supercomputer named Jupiter. Among the mostly male human population, the light-haired elite class is allowed to temporarily keep the dark-haired "mongrels" as pets. One elite member, Iason, encounters a mongrel named Riki in the slums and decides to take him in. However, Iason keeps Riki longer than it is socially approved, and rumors abound about their possible relationship.

If time did not allow ordinary things to be ordinary. How would you have lived? It is the Bakumatsu and early Meiji Period. Akizuki Keiichirou and Kusaka Touma stand of opposite sides of the political scale of the time but still, something as fragile as the shell of a cicada binds these two men together in a tragic and cruel fate. A story of friendship, love and seperation as well as reunion and sacrifice.

Story involving Kensuke's brother, Ooshiba Kousuke and friend, Setagawa Masahiro from Hitorijime Boyfriend.

Masahiro Setagawa is a hopeless teenager who is often used by the neighborhood bullies as an errand boy. Defenseless, Masahiro knows that nobody will ever save him. However, his life drastically changes when he meets Kousuke Ooshiba, a man known as the "Bear Killer," who takes down neighborhood gangs. A year later, Masahiro and his former friend, Kensuke Ooshiba, attend high school, only to find that Kousuke is their math teacher. While the three grow closer, Masahiro starts to view Kousuke as his "hero," and Kousuke develops an urging desire to protect Masahiro. However, their normal lives take a turn when Kensuke's childhood friend, Asaya Hasekura, returns, seeing Kensuke as more than just a friend, much to his surprise. Will the three boys be able to live a regular high school life? Or will forbidden love keep them apart forever?

Fresh out of college, Kawase Mitsuro is eager to start his new job as a middle school art teacher. Upon his arrival, he quickly blends in with the masses of girls ogling the toned body of senior teacher Kazama Toshiaki. Kazama ignores the schoolgirls. However, Kazama realizes something is different about Kawase and decides to ask the latter out to dinner. Unconvinced his advances are serious, Kawase goes along with Kazama halfheartedly. When Kazama's true feelings are revealed, will Kawase embrace his potential lover or give in to the expectations of society?

Osamu and Jay are two cereal salesmen traveling for work when they encounter a barricade. Curious as to what is going on, they step out of their car and enter into a government secret. Two mysterious demon-like men have been terrorizing the military, who came to respond to a car crash involving a vehicle carrying government research material. Inside the car wreckage, Osamu finds a beautiful hermaphrodite with gold and crimson eyes trapped in a frozen chamber. Osamu shares a kiss with them through the glass before he is forced to flee the scene. Osamu and Jay interrogate Jay's father, a top researcher at a government laboratory, who reveals that what Osamu and Jay saw was top-secret, and they would likely be sitting in prison if it weren't for his influence. While Jay is ready to forget everything that happened, Osamu cannot let it go that easily. After stealing a security badge, Osamu finds where the person he kissed is being kept, and learns that their name is Kimera. Osamu wants to run away with the beautiful Kimera, though he does not know why Kimera is being held captive or what a relationship with them means for the future of humanity.

Chisato is a beautiful 35 year old writer (who looks like 18 really), father of Riju, a cute 15 year old boy. Chisato's hobby is to drive away all of Riju's friends because he thinks they want to corrupt his precious child. So he shows his good side to these boys while he poisons the cake he brings them with a smile. However, there is one guy, Shunsuke, who doesn't fall for the tricks. But is Shunsuke really aiming for Riju? Who is that mysterious writer Chisato loves so much? and why is Chisato convinced that Riju's friends want to take advantage of him?

Ranmaru Samejima is a very handsome and legendary school fencing champion whose sports career comes to an abrupt end after he is mistakenly run over by a car intended to kill his boyfriend, Enjoiji, the son of the mafia don in Osaka. Because of Enjoji's unwavering love and encouragement. Ranmaru is able to successfully recover. After a few years of living and loving together, they happen to learn that Enjoji's half brother, Kei Sagano, is not only living near them but has enrolled in the same college to be closer to Ranmaru his secret love. Kei's presence causes some conflict for the happy couple. After a long talk with Masanori Araki, Kei's substitute father, Kei realizes that he has no chance whatsoever of stealing Ranmaru from Enjoji.

Yukiya Ayase is a gentle, kind hearted, and innocent university student. The only relative he has left, his cousin Tetsuo, betrays Ayase by selling him to the highest bidder in an auction with hopes of making an enormous profit to be able to pay off his debts. Somuku Kanou, a bad-tempered (though very rich) loan shark, comes to Ayase's rescue and buys Ayase for an impressive 1.2 billion. Kanou apparently knows Ayase from something that happened between them in the past, but Ayase cannot remember who Kanou is nor does he understand why he "saved" him. In a desperate effort to keep Ayase close to him, Kanou demands the debt be repaid in full and suggests the perfect way to do it: by selling his body to Kanou for 500,000 each time. Ayase is horrified in the beginning, but something soon begins to grow between them that can't be bought for any price.

Munakata Mira is in love with his father, the famous Hollywood actor Munakata Kyousuke. Unknown to the public, both of them are father and son as well as lovers. When Mira turns 15 and enters high school, he faces trouble with his childhood friend falling in love with him. Also, finding out he is adopted only distresses him further. Then there's the problem of Kyousuke probably marrying a famous actress, whose son seems to have an interest in Mira.

After being best man at his best friend's (Saitou Toshihisa) wedding, Nagai Atsushi realizes that he might have fallen for him. Nagai, drowning in his sorrows and hatred for the new bride then meets Honda Kenzou, another guest at the wedding. Honda takes care of Nagai when he was dead drunk and now Nagai can't stop thinking of both Honda and Saitou.