Rule 34 Dev - 1girls black-framed_eyewear black_hair black_kneesocks black_legwear black_socks blush blush_lines breasts closed_eyes clothing collarbone couch female female_masturbation glasses grabbing_own_breast grey_sailor_collar grey_skirt hand_on_own_chest highres idolmaster idolmaster_million_live! japanese_text kneesocks lying masturbation masturbation_under_clothes medium_hair megane on_back on_couch open_mouth panties pantsu plaid plaid_sailor_collar plaid_skirt sailor_collar school_uniform short_twintails simple_background skirt skirt_lift small_breasts socks solo speech_bubble spread_legs steamy_breath sweat sweatdrop takayama_sayoko teeth translation_request twintails umanosuke underwear upper_teeth_only white_panties|10336183448