Rule 34 Dev - 6+girls akizuki_ritsuko amami_haruka bikini blue_hair blush brown_eyes chibi child female futami_ami futami_mami hagiwara_yukiho hoshii_miki idolmaster kagura_yuuki kikuchi_makoto kisaragi_chihaya long_hair minase_iori miura_azusa multiple_girls otonashi_kotori producer_(idolmaster) ribbon swimsuit takatsuki_yayoi twintails|597556543