Suika operates as a Raillord for the Nakakuni Railroad Sōkō Tōtomi 4 2000 locomotive. Born of the China Railway, she ranks among the rare Raillords hailing from China. Crafted to rehabilitate her homeland's railways, she embodies China's national pride. Partnering with Japanese Raillords forms a key tactic in her mission. Fluent in two languages, she commands deep expertise in both Chinese and Japanese rail networks and cultural traditions.

Her appearance features a green railroad uniform accented by a light gray hat, alongside long black hair and amber eyes.

Suika radiates kindness and ceaseless enthusiasm for acquiring knowledge, eagerly imparting insights about China's railways. Naturally adept in nearly every pursuit, she fosters easy camaraderie. Yet humor remains her stumbling block—she falters at crafting jokes and gauging what truly amuses others.