King's Raid

is a free-to-play side-scrolling RPG mobile game developed by South Korean indie game developer Vespa and was published by Thailand-based company GloHow, before Vespa took over the rights in June 2017. It was first released on September 19, 2016 for operating systems Android and iOS in Thailand. The global version consists of 3 servers was later released on February 16, 2017, supporting South Korean, English and other international languages. The Japanese dubbing was added to the game on March 23, 2018.

An anime series adaptation titled was announced but focused on the game's original plot with original characters voiced by Ryōta Suzuki and Yoshino Nanjo. It was animated by OLM and Sunrise Beyond premiered from October 3, 2020 to March 27, 2021 on TV Tokyo.

Plot
A hundred years ago, King Kyle defeated the Demon King Angmund, leading to an age of peace for the kingdom of Orberia. Now, the fate of the apprentice knight Kasel takes a turn when word arrives of demons appearing in his region. Klaus, a fellow trainee who is like his older brother, goes off to investigate and never returns. The Great Sage Dominicus sends Kasel, along with a team of trusted allies, to find his friend and to seek out a sealed holy sword that can save the land.