Unlike many "otome" or dating sim games geared toward young women, the Nikki series does not feature a primary dating mechanic for the protagonist. Nikki is portrayed as a kind, brave, and slightly spacey teenager whose main focus is saving the world of Miraland through "style battles".

While there is no explicit canon boyfriend, the series is famous for its "ship tease"—hinting at deeper bonds without confirming them.

There are no relationship meters or "date" options with male characters.