Rule 34 Dev - 1boy 1girl age_difference aged_down blue_hair cantarella_(vocaloid) chair child couple cup fingernails flower green_hair hatsune_miku hetero horns kaito_(vocaloid) kooten_bergh_no_youhei long_fingernails long_hair red_flower red_rose rose satan_(mythology) short_hair sitting table tea teacup teapot twintails vocaloid|2227157010