Taiki Kou is a fictional character from the anime series 'Bishoujo Senshi Sailor Moon,' also known as 'Pretty Guardian Sailor Moon.' Appearing in the fifth season, 'Sailor Stars,' Taiki is one of the Three Lights, a popular idol group. Taiki is intelligent, rational, and somewhat aloof, often focusing on academics and intellectual pursuits. In the series, Taiki has the ability to transform into Sailor Star Maker, one of the Sailor Starlights, who seeks the missing princess, Princess Kakyuu. Taiki's role is pivotal as both a protector and a seeker of justice alongside other Sailor Guardians.