1girl ahoge alternate_costume bare_arms bare_legs bare_shoulders barefoot bikini blue_archive blush braid embarrassed feet grey_background greyscale hair_behind_ear hair_between_eyes halo hand_on_own_knee kirino_(blue_archive) knees_together_feet_apart looking_at_viewer mikaku_(vbvpahw9) monochrome nose_blush on_bed open_hand open_mouth pillow simple_background sitting solo string_bikini swept_bangs swimsuit toenails twin_braids twintails v-shaped_eyebrows wavy_mouth