>>280017662
The second is "Inkou Kyoushi no Saimin Seikatsu Shidouroku." Only the episodes with the black-haired and blue-haired girls have been made into anime. The episode with the athlete girl is yet to be animated. In all three cases, the girls begin to ovulate when their love interest is nearby.

I can't remember the first one. I don't even remember if it was porn or drama because the only thing I remember was that scene of them both crying. If anyone remembers it, it would be appreciated.