Rule 34 Dev - 1girl amano_cigusa arms_behind_head bare_shoulders belly bikini breasts cleavage flower hair_flower hair_ornament hairband highres idolmaster idolmaster_(classic) large_breasts long_hair looking_at_viewer midriff o-ring o-ring_bikini pink_eyes pool shijou_takane silver_hair sitting solo swimsuit thighs wide_hips|12754891539