The anime "The Strongest King, What Will He Do in His Second Life?" Season 1 premieres April 2nd. New cast members (Daisuke Kinjo, Reina Maeda, etc.), a key visual, a main PV, and the opening theme song have been revealed. The story follows Gray, the strongest king, reborn as the powerless infant Arthur in a magical world. The PV showcases Arthur's new life surrounded by love and his resolve to protect his loved ones. The opening theme is "KINGSBLOOD" by KALA.
Source: natalie.mu