Is it cheating if I fuck my gfs stepdad

My gfs stepdad is concerned if I Brooklyn Gray really loves his stepdaughter since Ive never been with a man.Is it cheating if I let him be my first?His kisses and him sucking my small tits get me into the mood.I sucked my first dick and got fucked

Tags: taboo, old and young, first time, family, deepthroat, small tits, petite, handjob, kiss, brunette