Is it normal that i like girls toes and toe nails

i am a boy of 28 yearsi like beautiful toes of girls,whereever i get a chance to see or touch them i dont miss it. i likee to lick them means lick toe nails with my tongue.my 19 year sister has beautiful toe nails, whenever she sleeps i get into her room,i touch her toenails with my dick in my hand masturbating , and i ejaculate my semen on her toenails. i do this very often.is it normal.