Sex for first few times does cause penile and vaginal tears. This is normal
But one must allow it to heal before making more attempts
If not healed it may require antibiotic too
Next Steps
Visit dermatologist and show him the affected site. doctors may give you a course of antibiotics and local cream
Health Tips
Please dont be very rash in moviemaking..
Use lots of lubrication at sex.
Also wearing a condom may also protect the injured part.
At foreplay arouse your partner by various means including clitoris massage
This will improve lubrication in vagina and prevent such hurts from happening again