Stories from Sol: The Gun-Dog is a unique visual novel with PC-98 aesthetics and a storyline inspired by 80's mecha anime. The developers wanted to be as faithful as possible to the retro aesthetic, from how text appears on screen to the visual effects. https://www.notebookcheck.net/This-retro-visual-novel-is-a-beautiful-homage-to-PC-98-and-80-s-mecha-anime.965407.0.html
This sounds like some of the old school commodore 64 games. I'm intrigued