This is a Lora of Psylocke "Fleeting Butterfly" skin from Marvel Rivals, trained on in-game screenshots and fanart.
For prompt use gotonai psylocke racing, 1girl, ???????, headphones, hair bun, glasses, jacket, crop top, ????? strap, gloves, highleg panties, open pants, open fly, waist tattoo, butterfly tattoo

The model is pretty versatile so be free to experiment with prompt.
Also, if it generated the bat, add weapon, baseball bat, bat, holding, bat, holding baseball bat,sword, weapon behind back, weapon on back in negative with high weight like 2 or something, it should work