Manabu Ono

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. (myanimelist.net)

At St. Mihailov Academy, a series of serial murders have taken place with all the victims being young women. Who is this rampant culprit? And which beautiful maiden will fall prey to his evil next? After a horrible day of being harassed by their classmates, the adopted sisters Mafuyu Oribe and Tomo Yamanobe stumble across an injured young man and decide to bring him back to their place to recover. That very night, Mafuyu ends up at the mercy of the infamous serial killer. (myanimelist.net)

Sasha is partnered with Hana as his new Maria. They infiltrate an all-girls academy, forcing Sasha to crossdress, in search of a Qwaser-related artifact called the Magdalena of Thunder which has appeared in one of the students. However, they have some competition in their search of it. (myanimelist.net)

Forced to abandon their home planet of Cybertron due to the threat of the Blackhole, Optimus Prime prepares to lead his autobot warriors to Earth. Just as they are leaving they are confronted by Vector Prime who warns Optimus Prime of the threat to the galaxy if the four Cyber Planet Keys are not gathered in time. However, Megatron has plans of his own for the universe. As they embark on the search, they land on new planets which are inhabited by different Transformer races as well as the... (myanimelist.net)