: In August 2023, reports from Shukan Bunshun alleged that Mikami was involved in a "love triangle" involving two male idols, Kento Senga and Kento Nagao . Both were reportedly seen visiting her home, sparking a major media frenzy.
The most persistent rumor in the cosplay underground is the existence of "Yua’s shadow." Multiple sources—a disgruntled photographer, a stalker fan's blog, and a deleted live stream—point to a non-celebrity partner, possibly a game developer or a salaryman with no social media presence. This person, codenamed "M," is said to be Yua’s anchor to reality.
To understand Yua’s "relationships," one must first understand the industry she operates in. In Japan, the relationship between a cosplayer of her caliber and her fans is akin to that of an idol and her devotees. It is a structured, somewhat paradoxical dynamic where the talent sells the illusion of accessibility and intimacy.
The narrative was pure shojo manga. Fans tracked their "relationship" through subtle Instagram story placements—matching coffee cups, the same sunset background, cryptic lyrics about "forbidden love." The climax came at Tokyo Comic-Con, where they reenacted a dramatic confession scene. It was later revealed to be a paid campaign for a dating simulation game. Yet, the emotional hangover was real. Yua had successfully manufactured a love story so sincere that thousands mourned its fictional end.
For Yua, romance is often a performance art. Her social media channels—boasting millions of followers across Instagram, X (formerly Twitter), and TikTok—serve as the stage. Here, she constructs a narrative of the "perfect girlfriend." Whether she is posting a morning selfie in pajamas or a video of her cooking dinner, she is engaging in a form of benign romantic storytelling. Fans flood the comments with declarations of love and proposals of marriage, participating in a collective, shared romantic storyline where Yua belongs to everyone and no one simultaneously.