I also agree a VN or comic/story would be saddening without Amicus in it, however they did mention something about possibly meeting up in dreams. Maybe thats how we can see interactions between them in a earth only VN. Also I don't recall reading anything about no Wolf people or other alien life not being able to visit earth during the duration of his 8 years there. Maybe ambassadors can visit earth. I want to see earths reaction to the knowlage of alien life I also want to see the MC's family reunite with him. And if aliens show up on earth we can be introduced to other cultures and new charters. Even see the aleans reaction to human culture and how we treat each other in both the good and bad ways. I just think it will be a big mistake not to give us something on the MC mission on earth. I honestly think there would be enough content there to justify a VN of its own. And I'm sure it would take time to do just like Adastra but I know it would be worth the wait. If I had the ability too I would fund such a VN but sadly I am a poor man... *cries*
I just hope they don't turn away from the possibility of making such a VN/comic/story.
This is why I wish the developers would do a Q&A so we can ask these question and maybe even give them Ideas.