Complex sentence: The second season of the "Log Horizon" science fiction, action Japanese anime series is the sequel to the first season which aired in 2013, and is based on the novels of the same name written by Mamare Touno.
Split into simpler sentences: The second season of the "Log Horizon" science fiction, action Japanese anime series is the sequel to the first season which aired in 2013. It is based on the novels of the same name written by Mamare Touno.