Twenty years prior to the story's beginning, an asteroid headed for Earth destroys Pluto. Due to Pluto's destruction, the asteroid, which is dubbed Thanatos, becomes temporarily stagnant. Now, in order to avoid Earth's impending destruction, the International Solarsystem Development Agency (ISDA) works on the "D-Project", and creates the "Dragonaut" after finding a dragon egg under the ocean. This weapon's primary purpose is to destroy the asteroid when the time comes. However, they soon find out that the asteroid is not their only threat, as powerful dragon-like creatures, which are bent on destruction, appear on Earth.
After witnessing a murder by one of the creatures, Jin Kamishina, a lonely 18-year-old boy who lost his family in a shuttle accident two years ago, gets involved in the mysteries of the dragons and becomes the chosen pilot of the Dragonaut. Helping him on his journey is Toa, a mysterious girl who saves him from falling to his death after the creature attacks him. As they get deeper into the mysteries of the dragons, they encounter new friends and enemies, and also begin to develop a closer relationship.
(Source: Wikipedia)+ More
Characters & Voice Actors

Gio
Main
Toa
Main
Amadeus
Supporting
Baumgarde, Sieglinde
Supporting
Beisel, Sakaki
Supporting
Cromwell, Raina
Supporting
Habaragi, Itsuki
Supporting
Hoshi, Nanami
Supporting
Howling Star
SupportingRecommended for you
My Heroic Husband 2nd Season
ONA
15m
Whimsical Wish
ONA
12m
True Beauty
ONA
20m
Winter Present
ONA
12m
The Proud Emperor of Eternity
ONA
16m
Glorious Revenge of Ye Feng
ONA
11m
Tales Of Dark River Part 2
ONA
19m
Tales Of Dark River
ONA
19m
Sengoku Youko - Recap
Special
24m
The Young Brewmaster's Adventure
ONA
18m
Hyperventilation Special
Special
4m
Supreme Sword God
ONA
8m
The Metaverse
ONA
19m