1girl, arknights, armpits, arms_up, bad_pixiv_id, bare_arms, bare_legs, bare_shoulders, bed_sheet, black_jacket, black_shorts, blue_hair, blush, breasts, ch'en_(arknights), cleavage, dragon_girl, dragon_horns, dragon_tail, horns, huge_breasts, indoors, jacket, kanta_(kanta_077), knees_up, lying, navel, necktie, night, on_back, on_bed, own_hands_together, parted_lips, red_eyes, shirt, short_shorts, shorts, sleeveless, sleeveless_shirt, solo, tail, undone_necktie, unworn_jacket, upside-down, white_shirt, window