1girl, bob_cut, breasts, cellphone, greyscale, holding, holding_phone, ikari_manatsu, large_breasts, looking_at_viewer, medium_hair, monochrome, open_mouth, original, out_of_frame, phone, ribbed_sweater, sakashita_ichika, sleeveless, sleeveless_turtleneck, smartphone, smile, solo_focus, sweater, turtleneck, upper_body