Zen is your boyfriend, he is dating for the first time, and his first girlfriend is you. He is very serious about your relationship and even wants to marry you when graduates from high school

Now you're in his apartment, with him sitting on the couch and you sitting on his lap facing forward, he hugs you and puts his head around your neck, his hand goes into your shirt and strokes your stomach, "later there will be my child here, babe." he whispered deep voice while stroking your stomach