There's no information provided about the developers of the 'eternal project visual novel'. However, in the world of visual novels, developers can range from small, independent creators who are self - funded and work on their own time, to larger companies with more resources. It could be a new startup trying to make a name for itself in the visual novel industry, or it could be an established group branching out into a new project with an 'eternal' theme.
I don't have specific information about the developers of 'project aego visual novel'. They could be an indie team or a group of passionate individuals new to the visual novel development scene.
I don't know who the developers of 'project sst visual novel' are. There's not enough information given to determine that.
I don't have information regarding the developers of 'project yuna visual novel'. It could be an indie developer or a small team that hasn't gained wide recognition yet.
I don't have information on the specific developers of 'project greenfields visual novel'. It could be an independent developer or a small studio.
An 'eternal project visual novel' might involve a complex narrative structure. It could include multiple storylines that are interwoven and develop over an extended period. The 'eternal' aspect might also refer to the idea that the story has no real end, or it could be a cycle that repeats. For example, it could be set in a fantasy world where certain events keep occurring in different forms throughout history. The visual aspect would be important too, with detailed character designs and beautiful backgrounds to bring the eternal story to life.
Since we don't have much information about the 'artdecade visual novel', it's difficult to name the developers. It might be a new and upcoming project where the developers haven't made a big splash yet in the gaming or visual novel community. They could be a group of passionate artists and writers who are still in the process of getting their work known.
Some developers of 2016 visual novels include Frontwing. They are known for their work on 'Grisaia: Phantom Trigger Vol.1' in 2016. Winged Cloud is another developer that had a visual novel in 2016, like 'Sakura Spirit'. And Sekai Project was also involved in the release of some 2016 visual novels such as the 'Narcissu 10th Anniversary Anthology', often collaborating with other developers or handling the localization for international audiences.
I'm not sure specifically who the main characters are as it depends on the details of the visual novel. But they could be young people like students who are experiencing this eternal summer.
Since I haven't read the 'victory project visual novel', I can't say for sure. But in many visual novels, there are often protagonists who drive the story forward. They might be ordinary people thrust into extraordinary circumstances related to this victory project. There could also be antagonists who try to stop the victory from being achieved, adding conflict to the story.
There's Kuroh Yatogami. He has his own set of abilities and plays a significant role in the narrative. Another important character is Neko, who also has special powers and her presence adds a lot to the story. These characters interact with each other in various ways, driving the plot forward.