Reina Akatsuki is a prominent character in the anime series 'Strike the Blood'. She is a mysterious figure with a strong presence, often seen as a key player in the unfolding events surrounding the protagonist, Kojou Akatsuki. Reina is known for her intelligence and powerful abilities, which make her both a formidable ally and a complex adversary. Her character is central to the series' intrigue and drama, contributing to the rich narrative that blends action, supernatural elements, and intricate relationships.