Nicolai Asakura serves as a driver for Manpuku Talent Productions and works at the Shoppe tavern. His father, possessing Russian heritage, traced his roots back to a family originally based in Denmark. His mother was ethnically Korean and born in Australia. Work circumstances prompted his parents to relocate the family to Japan during his childhood, resulting in frequent moves throughout the country as he grew up.

His distinctive communication style often leads others to misinterpret his expressions as anger, a misunderstanding that has historically prevented him from forming lasting connections or integrating into social groups. He speaks a unique linguistic blend incorporating elements from various Japanese dialects alongside English and Korean words and phrases.

Nicolai became a member of Eternal Boys following the departure of Kakizaki. His journey reflects an ongoing search for a place where he feels a sense of belonging and acceptance.