idolmaster, idolmaster cinderella girls
koshimizu sachiko
clearite
1girl, beach, bikini, day, grabbing, grey hair, lying, navel, on back, open mouth, outdoors, petite, purple bikini, short hair, smile, solo, striped bikini, striped clothes, swimsuit, umbrella, vertical-striped bikini, vertical-striped clothes, wince
commentary request