[1] Locations were opened in the Tokyo neighborhoods of Kichijoji, Ikebukuro, and Akihabara in the mid- to late 1990s.

[1] In February 2019, K-Books ceased consignment sales for dōjinshi at its dōjin store in Ikebukuro after 15 years.

Several K-Books locations specialize in specific kinds of goods or genres, including yaoi, Vocaloid, and 2.5D musicals.

It specializes in items aimed at men, such as moe and Virtual YouTuber goods.

[5] K-Books Chara-kan is located in Chiyoda and specializes in goods from Weekly Shōnen Jump media properties, such as My Hero Academia and Demon Slayer.