The PC game modeled after Nono has finally been completed, and Tamaki and her friends enjoyed the long-awaited sales event to the fullest. However, with exams approaching for the seniors and no new students joining, the future of the SNS club remains uncertain as their activities have come to a halt. At such a time, Teru-senpai goes missing―― The hugely popular youth four-panel comic, which has also been adapted into a TV anime, is finally reaching its grand finale!