A book store named Shoizumi Book Tower nearby at Akihabara unveils the Top -Selling Light Novel of the year 2015 based on annual ranking were sold in the store.The best selling light novel series of 2015 were as follows:
The Irregular at Magic High School, written by Tsutomu Satō and illustrated by Kana Ishida, was the 4th best selling light novel series of 2015.
Gate, written by Takumi Yanai and illustrated by Daisuke Izuka and Kurojishi, was the 3rd best selling light novel series of 2015.
Is it Wrong to Try to Pick Up Girls in a Dungeon?, written by Fujino Ōmori and illustrated by Suzuhito Yasuda, was the 2nd best selling light novel series of 2015.
Overlord, written by Kugane Maruyama and illustrated by so-bin, was the best selling light novel series of 2015.
According to Keiko Tamura, one of the owner, he never expected that the sales will increase drastically. He also states when Overlord began publishing the customers start to amplify.
The 4th placer, Irregular at Magic High School was published by Dengeki Bunko and originally run in 2011. The 3rd placer, Gate: Jieitai Kano Chi nite, Kaku Tatakaeri was published by AlphaPolisand and originalyl run in April 12, 2010 – its still ongoing. The 2nd placer, Is it Wrong to Try to Pick Up Girls in a Dungeon? was published by SB Creative and originally run in January 2013 – Its still ongoing. And the best selling, Overlord was published by Enterbrain and originally run in July 30, 2012 – Its ongoing.
Source: My Navi News