+ Tic Neesan (also known as Plastic Nee-san) is a seinen comedy manga by Kurii Cha that follows an eccentric third-year high-school girl known as Nee-san, whose passion for building plastic models inside her school's model-making club leads to one absurd, laugh-out-loud situation after another alongside her clubmates Makimaki and Okappa.

What makes + Tic Neesan stand out in the school life and comedy genre is its rapid-fire, gag-driven format — each short episode delivers a self-contained burst of surreal humor built around Nee-san's larger-than-life personality. The series blends slice-of-life absurdity with sharp comedic timing, making it one of the most reliably funny seinen school comedies in manga. Fans of lighthearted, fast-paced humor will find it instantly addictive.

With 217 chapters available, there's plenty of chaotic fun to dive into. Whether you're a longtime fan of Kurii Cha's work or discovering + Tic Neesan for the first time, every chapter delivers a fresh dose of comedy. Read all chapters in high quality for free and experience why this manga has earned its cult following.