Books in the Pop Team Epic series

"The bizarre four-panel comic by Bkub Okawa, on which the hit anime is based, is filled with obscure pop culture references (including walk-ons by characters from other series) and tongue-in-cheek, and in-your-face, quips and snipes, as well as inappropriate physical violence"--

"The ... four-panel comic by Bkub Okawa, on which the hit anime is based, is filled with obscure pop culture references (including walk-ons by characters from other series) and tongue-in-cheek and in-your-face quips and snipes, as well as inappropriate physical violence" --