1boy, ahoge, arms_up, bed, belt, blue_hair, blue_nails, blue_scarf, coat, half-closed_eyes, headset, indoors, light_blush, looking_at_viewer, lying, male_focus, nail_polish, on_back, open_mouth, outstretched_arms, pillow, reaching_out, scarf, short_hair, smile, upper_body, white_coat