Dragon Seinendan (2012)

Set 1,300 years after the events of How to Train Your Dragon, dragons are now just a legend to the modern world. When a geological anomaly opens an immense, miles-deep fissure in the Earth’s surface, scientists from all over the world gather at a new research facility to study the mysterious phenomenon. Soon a group of misfit kids, brought to the site by their parents, uncover the truth about dragons and where they’ve been hiding -- a secret they must keep to themselves to protect what they’ve discovered.

Currently, Hiryuu Palace has no one else next in line for the throne other than the fifteen year old princess, Yona, who had been raised with care. Finally, the night of her sixteenth birthday arrives. She expects it to be a wonderful day spent with her peace-loving father, her servant and friend Hak, and her cousin Soo-won, who she had feelings for... However... That night, Yona goes to visit her father to tell him how she really feels, because he opposes to her getting married to Soo-won. However, when she gets to her room, she encounters a shocking truth.

A terrible and mysterious enemy attacks the small village of Shu and his friend Kluke. The great warrior Zola, followed by Jiro, will help them discover the ability to evoke shadows.

On August 20XX, a gate suddenly appears in Tokyo's Ginza district, unleashing a portal where monsters, medieval knights and other fantasy beings come from another world and wreak havoc on Tokyo. The Japanese Defense Force take action against these monsters and push them back into the "Gate". Third Reconnaissance Team is dispatched to the "Special Region" lead by officer (and otaku) Youji Itami. On their travels, they are joined by a beautiful elf girl who is a survivor from the dragon's rampage and guide the group across the dangerous new world.

Ragna teams up with the enigmatic Crimson to stand against the dragons menacing the world. Although Crimson's motivations are mysterious, his goal and Ragna's perfectly align, and together they'll vanquish the dragons once and for all.

Rentt Faina has hunted monsters for the last 10 years. Sadly, he’s not great at his job, stuck hunting slimes and goblins for a few coins each day. His luck turns when he finds an undiscovered path. At the path’s end, he meets his demise in the maw of a legendary dragon. But, he wakes up as an undead bag of bones! He sets out to achieve Existential Evolution and rejoin the land of the living.

Recently stationed Air Self-Defense Force rookie Hisone Amakasu is chosen by a dragon concealed within Gifu Air Base to be his pilot.

The story takes place in Japan in the early 21st century, in an alternate reality where the Tokugawa Shogunate has remained in power. In this reality, student councils are tasked with oppressing schools. Yagyuu Muneakira is a high school student who rebels against his student council with the help of girls who've had the names of famous samurai heroes passed on to them.

Upon discovering ancient stones with dinosaur images imprinted on them, a 12-year-old boy named Max Taylor (Ryuta Kodai) and his friends Rex Owen and Zoe Drake (Malm Tatsuno), discover they are able to call forth dinosaur companions. These companions will aid the owners in stopping the nasty Alpha Gang from coming into possession of the mysterious stones and crush their chances at world domination.

Long ago, the most ancient of divine dragons was slain by a human. The mighty dragon accepted its death when suddenly, it was reborn as Dolan, a man who lives in a quiet village. While spending another peaceful day toiling in the fields, he meets Celina, a half-human, half-snake creature looking for a partner. The unlikely duo become friends, but challenges lie ahead that threaten their new bond.