Rin (she/her)
In system: A fictive of Rin from Fate/stay night. Seems to have been here for quite a while before being discovered.
In source: The young heir of the Tohsaka mage family, and the master of Archer (EMIYA) in the 5th Holy Grail War. After the conclusion of the Grail War, she enrolled in the Clock Tower's mage university program alongside her then-boyfriend, fellow surviving master Shirou Emiya. Avatar credit: Kamisato__Sora on Twitter