Aya Sawaki, the protagonist’s closest confidante, balances her life as a celebrated youth idol and singer with the complexities of personal relationships. A childhood romance with Ichiya Kumagai fractures when he departs for Hollywood at thirteen, leaving unresolved emotions that resurface years later upon his return. Her efforts to reconnect inadvertently spark interpersonal friction, particularly as Ichiya grows closer to her friend, entangling the trio in a fraught love triangle of shifting loyalties and unspoken tensions.

Gradually confronting the reality of Ichiya’s altered heart, Aya relinquishes her pursuit, redirecting her focus toward emotional clarity. Her growth culminates in a newfound romance with Morimoto Teruomi, a peer within their circle, symbolizing her deliberate stride beyond past entanglements.

The arc traces her maturation from a girl anchored by childhood affections to a woman navigating the duality of stardom and private vulnerability, framing her evolution through quiet resilience and the conscious embrace of self-aware change.