Namekawa-san Won't Take a Licking! Vol. 4 by Rie Ato

Namekawa-san seems to get more oddball groupies by the day, and boy, do they love making her life crazy! But when a new girl enters the scene, it's clear she's not there to make nice. Claiming to know about Namekawa-san's past, she breaks up their tight-knit group with ease. Too bad for her though, Namekawa-san always shines brighter the more you try to give her a licking! Just how will she fend off this final threat?!The final volume!
Binding: Paperback / softback