After being reformed by the GTO, Eikichi Onizuka, the Twins of Terror, Riko and Miko Sakaki, leave their past behind and become members of the Disciplinary Committee at their school, Chigasaki Kahoku Private Academy, helping fellow students in need through an SOS messaging system. When an illegal prostitution auction ring is uncovered at their school, the twins set out to restore peace to their school and punish those responsible, GTO-style! Spin-off of GTO - Shonan 14 Days.

Tian Jiao Lianmeng, is a mysterious yet popular game. Legends say that only five people can clear it, and by doing so, will gain riches beyond belief. In order to continue his peeping obsession on the Jiejie next door, Luo Xiao Wei was determined to clear the game and gain the rewards, and to also replace his telescope. However, more and more puzzles await him….

Kaju is a normal boy, he even has a girlfriend. But his life changes when he is reanimated by a necromancer who wants to conquer Japan. Who knows what will happen next...

Chronicles of Street Observation Research is a Papa no iukoto wo kikinasai! spin off centered on Yuuta's university life and what happens at the Street Observation Research Society. Compared to the other spin-offs, this one has more adult content.

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Masaki Masamichi has his heart set on joining the legendary manga club of Takidani High School. After all of his effort to get into Takidani High School and prepare for his club entrance, he finds out that a horrible change has happened to the club of which he dreamed. How will he cope with the disappointment of learning that his long-awaited club life consists of drawing ero-manga? [tethysdust]

Two decades ago, the dragons returned to earth. Soaring above the skies leaving behind trails of destruction. They attack humans for the simple reason, their destructive impulses. In order to fight the dragons, humanity acted. They began to dabble in magic...

Tohru Fujisawa attends AKB48's 19th Member Selection Rock-Paper-Scissors Tournament held at the Nippon Budokan on the 21st September, 2010 and draws a one-shot from his POV as part of the AKB Observation Section. Titled Repoman Soul!, it showcases the soul of the fans at the AKB48 event!

Adapted from the oneshot Akuma Bengoshi Kukabara, Mephisto Bart Kucabara is a devil lawyer. In order to return to the demon world that he was exiled from he needs to collect enough Dark Matter. To do so he creates a plan to claim the Dark Matter from the souls of sinners sentenced to hell. Prove the soul's innocence and the Dark Matter becomes his. But how can he gather enough Dark Matter when his kind personality causes him to continually use it up in order to defend the soul from the Shinigami that has come to take them to hell?

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From MangaHelpers: Second Lieutenant Mononobe Yuu has been sent to Midgard, to attend the all-girl's school where his sister Mitsuki is the student council president. The school is specifically for people who have "D" powers, who are needed to fight dragons, and both Mitsuki and Yuu fit the criteria. On his arrival, he meets and befriends another classmate named Iris Freya, who is having difficulties with her "D"-related schoolwork. They will do their best to succeed in this dangerous world. [tethysdust]

A girl named Iwase Maho moves in with a family friend to make the commute to her high school easier, but something is off about her...

A boy with a cute sound and three girls want to make a band for girls only but they need a singer how it will be like this boy getting involved with them.

The somewhat precocious and sadistic girl 'Mitsuba', the somewhat lecherous muscle girl 'Futaba', and the somewhat mysterious girl 'Hitoha'. Better known as the (mischievous) "Marui Sisters", this is the story of how these three triplets go about their days in Class 6-3 with their cute yet wild antics. Here is the spin-off: Hobo Shuukan Mitsudomoe

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The Japanese government developed a military project where they created Tekki, schoolgirls who were altered to strengthen their body by replacing their bones with steel and artificial muscles. The Tekki are experts with the katana and are allowed to fight in the streets to determine the cream of the crop. Those who repair the Tekki are medical experts called Toui and they work to maintain and improve the girls. Sakuradamon is an academy built to train girls like Honoka Asami, a Tekki and Nagamitsu Yomogi, a Toui. Asami is a mysterious and powerful fighter while Yomogi is a medical child prodigy and they have to work together if they value their lives on campus.

Adapted from Seven Seas' summary: Seven years have passed since Mina Țepeș' triumphant return to the Bund. The year is now 2020; integration of vampires into human society has greatly progressed, the threat from the three clans has been eliminated, her rule over vampiric society appears absolute, and the Bund has became an integral part of the world economy. Now Tokyo is hosting the Summer Olympics with Mina as guest of honor at the opening ceremonies. During her speech, terrorists infiltrate the stadium and demand that she close the Bund and remove all vampires from Japan. In front of TV cameras, Mina and Akira must confront the terrorists. And that's not the only threat waiting for them...

A “love” story between You, a priest with a active sex life, and Kihirito, his “friend”.

Little orphan Rikano gained more than she expected when she received a heart transplant from a mysterious donor. Will Elaine be able to protect Rikano from those who want to steal her beloved master's heart for themselves?

From CPM: The curvaceous cutie Captain Tita pilots the far-future submersible Cha Cha Maru, hunting creatures for the exotic pet market. With only four years’ experience under her belt, can Tita capture an elusive cloud whale and fulfill a vow to her dead father, or is she literally out of her depth on this one?

A dangerous USA weapon called "auto doll" was created for the purpose to combat the war on terror and replace human soldiers. The auto doll calls herself "Plug" and a Japanese talent agent scouts her as #1 Japanese Idol! As they go through trials in order to become the best idol in Japan. Opposing organizations attempt to dispose of Plug!

High school senior Gwon Kang-Han lives a fairly ordinary life with two troublesome parents. He thinks he's been playing too many RPGs when he has a strange dream in a fantastical setting, but that isn't the end of the odd experiences he will encounter, as he discovers the next day at school: in fact, his adventures seem to be just beginning.