1girl, ame_(uten_cancel), armpits, bed_sheet, blurry, blurry_background, blush, breasts, brown_eyes, brown_hair, cleavage, collarbone, curtains, day, head_tilt, idolmaster, idolmaster_shiny_colors, indoors, large_breasts, long_hair, looking_at_viewer, one_eye_closed, open_mouth, simple_background, sleepy, smile, solo, sonoda_chiyoko, stretching, tank_top, waking_up, window, yawning