Kaoru Anesagi is the manager for TRIGGER, working under Yaotome Production. Standing 178 centimeters tall with a birthday on April 23rd, his exact age is known only to the company president, Sousuke Yaotome. He has a preference for cheese dishes and is known to dislike both humidity and dryness.

Known for a strong-willed and intense personality, Anesagi is an individual prone to extreme emotional reactions and possesses a powerful temper. Despite this volatility, he is also characterized as a consummate professional who consistently performs his job to a high standard. His motivation is deeply rooted in the care and protection of the idols he manages; he values them greatly and is not afraid to show fierce, passionate emotion on their behalf. This dedication aligns him closely with the sentiments and moral code of Sousuke Yaotome.

In his role as TRIGGER's manager, Anesagi is a key figure in facilitating the group's activities. A notable and somewhat infamous ability attributed to him is his physical strength, specifically his capacity to snap a ballpoint pen in half with his bare hands when enraged. Regarding his personal development or the specific evolution of his key relationships within the narrative, no reliable direct information is available.