Koichi: Okay, so I know that Ichika is still a high schooler. Technically she should learn more about the world before deciding to become a mother at such a young age.
.......it turns out I've already read the first 2 chapters, so it was that manga, I remember dropping it cause I'm not a fan of stories with premise that prevents the MCs from actually doing something
I recognize I'm introducing a realistic perspective where it doesn't belong, but seriously, fucking all night on bare tatami mats would be a great way to put yourself in the hospital with permanent back problems.
Now, the MC should better go to hospital ASAP for a quick test. He might get HIV/AIDS. Let's not forget the FMC slept with almost all of the men in her school RAW because she hates condom.