1girl, ahoge, animal_ears, arms_up, asano_(asamusuko), barefoot, breasts, cellphone, couch, from_above, greyscale, hair_between_eyes, holding, holding_phone, indoors, large_breasts, looking_at_viewer, lying, medium_hair, monochrome, no_bra, on_back, open_mouth, original, phone, pillow, shirt, short_shorts, short_sleeves, shorts, smartphone, solo, t-shirt, tail