受精セックス　fertilization sex

on a bed,1girl,breasts,nipples,lactation,1boy,hetero,sex,censored,penis,lying,vaginal,on back,navel,spread legs,missionary,saliva,pussy,creampie,full naked,semen bukkake, ovum cell containing a prominent white heart shape inside, set against several white stylized sperm cells with tails pointing and swimming energetically toward the ovum, clean vector-like anime art style, bold outlines and simple shading, glowing effect on the heart nucleus, clear and symbolic representation of fertilization concept