ストライク・ザ・ブラッド IV

Strike the Blood IV (ストライク・ザ・ブラッド IV) is the fourth OVA series adapted from the light novel series of the same title written by Gakuto Mikumo and illustrated by Manyako. The series consists of 12 episodes, which were released between April 8, 2020, and June 30, 2021. The animation production is handled by Connect, and the staff from the third OVA series returned to reprise their roles. The opening theme is "Akatsuki no Kaleido Blood" by Kishida Kyodan & The Akeboshi Rockets, while the ending theme is "Dear My Hero" by Risa Taneda. Due to the COVID-19 pandemic, the release of volume 2 was postponed from June 24 to July 29. Continuing the story of the Strike the Blood series, it focuses on the protagonist Kojo Akatsuki and his adventures with heroine Yukina Himeragi and other characters on the demon district Itogami Island. This installment further explores the backstories of the characters, showcases more intense battle scenes and intricate relationships between the characters. It's highly favored by fans and also helped to conclude the entire series animation.