There is no better decision about how to kiss a boy romantically in this situation than to draw your conversation slowly to an end, then move closer and let him kiss you when the distance between you is minimal.
Keep it private — The most important of first kiss tips! Read the mood of your intended and the surroundings, and trust your instincts.
Start sucking the lip gently in a romantic manner.
Now that your lips are connecting, apply a little pressure to your partner's lips.