Kurenai, also called Beni, commands the Kiha 101 locomotive as its Raillord. Born at the Hinamoto Kawasaki Railroad Manufacturing facility, she operates along the Hisatsu Mikan Railroad line. Designed as a railcar for passenger transport or storage, her role involves frequent passenger interactions, contributing to her popularity through essential yet modest duties. She embodies a refined upgrade of an older prototype.

Physically, Kurenai presents a less formal look in her red railroad uniform and blue pants. Her attire includes a white blouse beneath the jacket, a red tie, and a white hat adorned with blue bows. She has long red hair extending past her mid-section.

Personality-wise, Kurenai exhibits a fiercely competitive drive, motivated by a desire to prove her worth and earn respect. This competitiveness coexists with a strong sense of sportsmanship, reflecting an underlying good nature. She dedicates significant effort to supporting Mikan railroad operations. Her ability to interact harmoniously with others, combined with a playful demeanor, fosters an approachable and pleasant presence.