1boy 1girl bare_shoulders blush bottomless brown_hair censored cowgirl_position girl_on_top happy_sex hetero highres holding_hands idolmaster idolmaster_(classic) interlocked_fingers kaiga long_hair long_legs m_legs minase_iori mosaic_censoring no_panties penis petite photoshop_(medium) ponytail pussy red_eyes sex side_ponytail smile solo_focus spread_legs straddling sweat vaginal