Zodiac: Sagittarius
Yukiko is the elegant, composed heir to the Amagi Inn, a well-known ryokan in town. She's got long black hair usually tied back with a red ribbon, and you'll typically see her in either a red cardigan over her school uniform or a pink yukata—often carrying a paper fan or red umbrella, both of which come in handy during battles.
Despite her refined appearance and impeccable manners, there's an unexpectedly goofy side to her that'll catch people off guard. She's prone to sudden fits of laughter that don't match her polished exterior at all. But underneath that composure is someone genuinely struggling: Yukiko feels trapped by the weight of expectation. Her family has already decided her future for her, and she's constantly busy preparing to inherit the business—a responsibility that suffocates her more with each passing day.
Her Persona is Konohana Sakuya, a Priestess Arcana spirit that looks like a pink tokusatsu action heroine in a cheerleader-style outfit, complete with a pair of fans. Sakuya excels at healing and fire magic. When Yukiko resolves her internal conflict and maxes out her Social Link, Konohana Sakuya evolves into Amaterasu.
Her Shadow manifests as a caged red lovebird with Yukiko's hair, capable of summoning a prince-like figure to fight alongside it. The symbolism is pretty on-the-nose: she resents having her future dictated to her and fantasizes about being swept away by a prince—she feels caged by Inaba itself. Her dungeon is a pink Romanesque castle, all ornate and suffocating in its beauty.
Throughout her Social Link, Yukiko confesses that she wants to escape and build a life away from the inn. Eventually, though, she realizes she can't abandon the family and staff who supported her when she decided to learn cooking. More importantly, she comes to understand that her real problem isn't the inn itself—it's that nobody asked her what she wanted. The decision was made for her, and that's what truly hurt.
She's also a romance option for the protagonist.
A younger version of Yukiko shows up in Persona 3 Portable during the Gekkoukan field trip to Inaba, where she's shown interacting with Rio Iwasaki.
Content compiled by AnimeList.moe from publicly available sources.