If that translation is correct, the MC is already in college, the professor summoned him to the room to speak about post-graduate stuff
But it's also very odd how the protagonist, a 20 year old, is oblivious about many things. Understand that the author needs to explain the setting somehow, but the only way he could know so little about his own biology is if the sex-ed in that world absolutely sucks
spoiler warning, as it reaches a conclusion at ch70. This is not including any side stories that might arise
The first egg hatches, and it's a girl. She is named Tara Perserus. Inherited Theo's eye color but otherwise looks like Seth. An unspecified amount of time later, twins are born, both boys. Sian Perserus, who has light skin, black hair, and golden eyes, and Ceza Marita, who has dark skin, white hair, and violet eyes
The names are likely to be different when the official translation comes out
I knew that this was drawn by the same illustrator as full volume by the way the man's pectoral is drawn in the cover. Full on "I can recognize those tits anywhere".