ONA
Description
Kōtarō Higashi is a central figure in the anime adaptation of Ultraman, where he is reimagined as a young Japanese journalist working in New York City. Originally aspiring to become a photographer, his life takes a drastic turn when he becomes entangled in a violent incident involving an extraterrestrial terrorist group known as the Dark Star. During this event, he is fatally wounded but is subsequently revived after being exposed to an alien drug, which grants him superhuman physical abilities. This transformation awakens fully when the rage over the death of a close friend triggers his latent powers, leading him to abandon his given name and adopt the alias Taro.

Personality-wise, Higashi is depicted as energetic, intelligent, and fiercely driven by a strong sense of justice. He is highly impulsive, often acting on instinct before thinking through the consequences, which reflects a headstrong and passionate nature. Despite the immense power he wields, he retains a grounded and human perspective, shaped by his past as an ordinary person seeking truth. His motivation stems from a desire to protect others and to confront the threats posed by alien forces, particularly the Dark Star, which he holds personally accountable for the loss of his loved one.

In the story of the anime, Higashi assumes the role of Taro, the sixth Ultraman, and wears a specially optimized powered suit originally developed by Yapool to control his destructive flame-based abilities. He becomes a key member of the new generation of Ultraman warriors, joining forces with other hosts to combat the larger conspiracy orchestrated by the alien terrorists. His role is defined by his raw power and his willingness to charge into danger without hesitation, making him both a formidable fighter and a volatile presence on the team.

His key relationships include his bond with his lost lover Izumi, whose death at the hands of the Dark Star deeply shapes his worldview, and his camaraderie with the other Ultraman hosts, particularly his fellow members of the Six Heroes, with whom he shares a brother-like connection. The series does not dwell heavily on long-term development for Higashi within the anime's runtime, but his initial arc shows a progression from a grief-stricken survivor to a proactive warrior who embraces his role as a defender of Earth.

Notable abilities include the power to generate and manipulate intense flames, which he channels through his Taro suit. This fire-based combat style is tied directly to his emotional state and his awakening, serving as both his greatest weapon and a force that requires control. He also possesses enhanced strength, speed, and durability due to the alien drug's effects, allowing him to engage in high-speed aerial combat and deliver devastating physical attacks. His fighting approach is aggressive and straightforward, reflecting his impulsive personality.
Cast