1girl, yuuka \(blue archive\), halo, track jacket, blue buruma, solo, t-shirt, id card, lanyard, ponytail, sneakers, sticker on face, open clothes, full body, sitting, reclining, gym storeroom, looking at viewer, gasping, ecstasy, blush, wavy mouth, <lora:face-sensualface_type4:0.8>, hand to own mouth, masterpiece