Female Ritsuka: Sporting orange hair in a ponytail or side braid with a yellow scrunchie, bright orange eyes, average build, Chaldea uniform (black skirt & white boots).

Ritsuka Fujimaru isn't actually from a video game called Fate/Grand Order, Fate/Grand Order (FGO) leans more towards a mature audience for a few reasons:

Prompt Generate by Training : pillow, hand on hip, white pants, hair scrunchie, command spell, one eye closed, gloves, black skirt, red ribbon, black pantyhose, black jacket, skirt, black background, white footwear, solo focus