This is the lora of Psylocke "Breezy butterfly" swimsuit skin from Marvel Rivals, trained on in-game screenshots and fan art.
It is able to produce images without top, for that, add see-through top, tie top, front tie top, short sleeves negative prompt, for front view you may also add underboob to emphasize that breast area since it has a stubborn flower always generating even without top. For behind view also add backless, backless outfit to help it generate without that top and butterfly cutout