Yukiko Amagi (The Unconquerable Snow Black) is one of the main characters in Persona 4, the 4th main installment in the Persona series and one of the playable characters in it's fighting game sequels, Persona 4 Arena and Persona 4 Arena Ultimax. She returns as a playable character in BlazBlue Cross Tag Battle.
A second year student at Yasogami High School, and the fourth member of the Investigation Team. She is the sole heir to the long running Amagi Inn, an inn run by her family in Inaba. Despite being adored by several male students at her school, she was extremely shy when interacting with others, aside from Chie Satonaka. After being forced into the world inside the TV and being in danger of becoming the third victim in Inaba's murder case, Yukiko's subconscious manifested as a medieval castle that housed her Shadow. Her Shadow represented her inner feelings of frustration of having no choice but to one day inherit the Amagi Inn. With the help of the Investigation Team, she accepted her Shadow, changing it into the Persona Konohana Sakuya. At this point, she became much more open to others, and decided to join the Investigation Team to discover who the killer really is.
Prior joining the Investigation Team, Yukiko was one of the last persons to see Mayumi Yamano alive when she was visiting the former’s inn at night, where she is murdered by the killer, and eventually leading Yosuke Hanamura’s crush, Saki Konishi becoming the killer’s next victim in few days later. After helping in stopping the culprits (namely Tohru Adachi and Persona universe’s Izanami), Yukiko continue her family inn works.
Few months later, Yukiko and her friends are end up being the subjects to a Midnight Channel fighting tournament known as P-1 Grand Prix hosted by "General Teddie", and realize that a few of their friends are dragged into this bloodbath tournament for the culprit's deadly entertainments. Once entering the tournament, Yukiko searches for her friends and encounters the Shadow Operatives.
- Yukiko shares the same Japanese voice actress as Yang Xiao Long.
- Yukiko has color palettes of the following characters: Yukari Takeba (Persona 3), Carl Clover (BlazBlue), Chidori Yoshino (Persona 3), Orie Ballardiae, Yang Xiao Long, and Ann Takamaki (Persona 5).
- Konohana Sakuya has color palettes of the following characters: Yukari Takeba, Nirvanna (BlazBlue), Medea (Persona 3), Erika Wagner (Under Night In-Birth), Blake Belladonna, and Carmen (Persona 5).