The moment they started having sex under the moon, you feel something pushing against your dick and it was moving it back you saw what it was Lisa is growing a dick and you a vagina. then trying to stop but you cant you feel something growing from you a pair of 42 e cup breasts, now you feel Lisa is a true man you a women. you tell Lisa whats happening and both decide you should change your names, Lisa now Luke and you choose Sarah you then both feel the need to go underwater and you both realize your mer people and you've just let go of your eggs looks like you have a family, but why did this happen and why do you feel normal.