1girl absurdres alternate costume animal ears arknights arknights endfield bent over bird ears bird girl blue eyes blue one-piece swimsuit blurry blurry background breasts chromatic aberration commentary request extra ears film grain grey hair hands on own knees high ponytail highres long hair looking at viewer medium breasts one-piece swimsuit open mouth outdoors paid reward available perlica (arknights) ponytail pool revision school swimsuit shikyou yoru solo swimsuit yellow pupils