Yes, it's a visual novel, as tagged and labeled. Visual novels are novels (or shorter fiction) presented as software with visuals, usually anime-style artwork, that typically feature minor interactivity through choose-your-own-adventure-style branching narrative choices or dialogue trees, with varying complexity. Visual novels are considered a subgenre of video games, along with other interactive fiction that lack visuals, but they lack real-time interactive gameplay.
This game was a dumb microgame project made in under three hours for a game jam (as an excuse to learn Ren'Py), with the script written in under one hour (the other two hours were spent learning Ren'Py).
Popular visual novels include Doki Doki Literature Club, Ace Attorney, Monster Prom, Daganronpa, and your mom.