Class no Gal ni Kuuki Atsukai Sareteimasu

A boy named Ryuuji Aizawa is getting treated by his gyaru classmates like he wasn't there, like this girl named Nana Aino who sits on his seat. With him still in it.

Note: Originally released on Twitter and Pixiv, a free compilation for Kindle on Amazon was later released under the title: Aino Nana no Keikaku: Class no Gal ni Kuuki Atsukai Sareteimasu (愛乃ななの計画 クラスのギャルに空気扱いされています) "Nana Aino's Plan: The Gals in My Class Treat Me Like Air"

Volume 1 contains chapters 1-24 including some new textless illustrations.