Studio Palette Anime

The world's number one assassin has been reincarnated as the eldest son of a family of aristocrat assassins. In exchange for being reincarnated in another world, a goddess has imposed upon him one condition. "Kill the Hero who is prophesied to destroy the world."

This was to be the mission in his new life. The synergistic effect of the vast knowledge and experience he gained that made all manner of assassinations possible in the modern world, and the secret techniques and magic of the fantasy world's most powerful family of assassins turn him into the greatest assassin of all time.

(Source: Crunchyroll)

As heir to a cult leader, Yukito centers his life around the mysterious goddess Mitama. But everything changes after he’s killed during a ritual gone wrong. To his surprise, Yukito is reborn into a world with no concept of god! And in this world, life and death are decided by the Imperial State. As Yukito fights to protect his new village, someone from his past life lends a helping hand.

(Source: Crunchyroll)

The second season of Kimi to Boku no Saigo no Senjou, Aruiwa Sekai ga Hajimaru Seisen.

Over a century ago, astral mages under persecution from the Empire banded together and established the Nebulis Sovereignty under three founding families: Lou, Hydra, and Zoa. With the leadership of Millavair Lou Nebulis VIII, the Sovereignty aims to minimize casualties in their conflict with the Empire—a stance the extremist Zoas disagree with. Tensions rise between the families as the election to decide the next leader approaches. The Zoas are willing to do anything to achieve success; however, a world-ending war may ensue should they be victorious.

Princess Aliceliese "Alice" Lou Nebulis XI has no choice but to cooperate with any potential allies in order to advance towards her ultimate goal of ending the conflict that has long tormented everyone involved. This includes Iska—one of the Empire's greatest warriors and her greatest rival.

(Source: MAL Rewrite)

Despite its location in a remote region south of the continent of Felnarc, the island of Clayborne is made up of five small countries crowded together and in constant conflict. In the most remote reaches of the smallest and most peaceful country on the island, the Kingdom of Bayle, is the small village where a girl named Nikola lives a humble life.

One day, while she's out gathering firewood as she does every day, a massive dragon—a creature that's supposed to only live deep in the mountains—appears in front of her. Just as it's about to attack the village, a man named Haga rushes to the scene. Haga is a member of the King's Seekers, a top secret investigation team. Nikola has never once felt bored with her peaceful life, even when every single day is practically the same, but after meeting Haga, she's so intrigued by Haga and his travels that she decides to step out into the world herself... and then the learns the true nature of her world.

(Source: Crunchyroll)

Fourth season of Shounen Ashibe: Go! Go! Goma-chan.