The novels are set one year after Tatsuya and Miyuki graduate, and center on two girls named Arisa and Marika. Though raised as sisters, Arisa is one day entrusted to the elite Jumonji magical family, separating them for two years. Now, both are enrolled at First High School, and finally reunite. (Source: Anime News Network)

Mahouka Koukou no Rettousei: Koritsu-hen (魔法科高校の劣等生 孤立編) is the manga adaption of the 'Isolation Arc' from the 23rd light novel.

Mahouka Koukou no Rettousei: Escape-hen (魔法科高校の劣等生 エスケープ編) is the manga adaption of the 'Escape Arc' from the 24th to the 25th light novels.

The Spring of 2094 AD. A young girl whose calling is assassination, Hashibami Yuki, is witnessed by a young middle school boy at the scene of a crime. Suppressing misgivings about erasing a young middle-schoolboy, Yuki’s superior abilities cannot compete at all. The name of the mysterious boy is Shiba Tatsuya. If the opponent was a normal boy, if the opponent was not a magician, if the opponent was not Shiba Tatsuya. An "irregular" boy and an "assassin" girl. The meeting of these two will alter fate and bring misfortune.

The novels are set one year after Tatsuya and Miyuki graduate, and center on two girls named Arisa and Marika. Though raised as sisters, Arisa is one day entrusted to the elite Jumonji magical family, separating them for two years. Now, both are enrolled at First High School, and finally reunite. Based on the light novel of the same name.

An anthology of Sword Art Online "what if" short stories by various authors and illustrators.

Picks up four months after the end of the first season and covers the events of the Visitor Arc in line with season two of the anime.

The story of the spinoff novel follows the Kuroba twins, who are sworn to protect Tatsuya Shiba. They face a new threat when an enemy from a foreign mafia sets eyes on Tatsuya. (Source: Anime News Network, edited)

A terrorist bombing strikes the Ten Master Clans Conference. In order to investigate the incident, Ichijou Masaki, the eldest son of the Ichijou family, one of the Ten Master Clans, known as the Crimson Prince, temporarily transfers from Third High School to First High School. This also means becoming classmates with the goddess he admires, Shiba Miyuki. The arc follows volume 19 of the light novel.

Adaptation of Light Novel 26.