,touhou,patchouli knowledge,1boy,1girl,?,artist request,bed,bikini,bikini bottom aside,black bikini,blush,breasts,censored,clothing aside,cum,cum in pussy,cum overflow,fertilization,glasses,happy sex,hat,hetero,impregnation,indoors,inset,large breasts,long hair,mob cap,navel,ovum,pink hair,purple eyes,purple hair,reverse cowgirl position,sex,sperm cell,spoken question mark,spread legs,straddling,swimsuit,underboob,underwear,v,vaginal