MyAnimeList.net - An anime adaptation of the light novel Infinite Dendrogram is in the works! The synopsis does sound kind of familiar

Infinite Dendrogram – Weeb Revues

List of Light Novel Volumes, Infinite Dendrogram Wiki

List of Light Novel Volumes, Infinite Dendrogram Wiki

Infinite Dendrogram Light Novel

Light Novel 'Hachi-nan tte, Sore wa Nai deshou!' Gets Anime Adaptation

Beginning of Madness, Infinite Dendrogram Wiki

Infinite Dendrogram Manga

Infinite Dendrogram – Weeb Revues

Infinite Dendrogram – English Light Novels

Infinite Dendrogram Manga

Infinite Dendrogram Manga

What are some good action-romance anime like Sword Art Online? - Quora

Infinite Dendrogram Light Novel

Infinite Dendrogram – Weeb Revues