Short answers, pulled from the story.
The protagonist of a visual novel is almost never heard speaking because this design choice allows the player to project their own identity onto the avatar without the distraction of a specific voice. This silence also saves production costs by avoiding the recording of thousands of lines of dialogue for the main character in branching narratives.
In 1996, the game YU-NO: A Girl Who Chants Love at the Bound of this World revolutionized the industry with a system that allowed players to travel between parallel universes. Developed by Hiroyuki Kanno and published by ELF, this title introduced the Automatic Diverge Mapping System to let players mark specific points in time to return to alternate realities.
The nakige formula is a specific emotional structure pioneered by the company Key and its co-founder Jun Maeda that involves a comedic first half, followed by a heart-warming romantic middle, and then a tragic separation. This approach aims to create an emotional connection with the characters and resonates with the player through the drama of the storyline.
In 2006, the visual novel genre made up nearly 70% of PC game titles released in Japan. Despite this domestic dominance, the genre remained relatively obscure in the West until the rise of portable consoles like the Nintendo DS brought games like Phoenix Wright: Ace Attorney to a global audience.
The genre often features a day-night cycle and a time scheduling system that provides context to character interactions, allowing players to choose when and if to interact with certain characters. This influences their responses during later conversations, creating a dynamic relationship system that encourages multiple playthroughs to witness the full impact of choices.