Whether it be facing misogynistic remarks from her boss or being pressured by condescending co-workers, stress is just another part of the job for 25-year-old red panda Retsuko. Despite being one of the most diligent workers at her office, her diminutiveness and modesty often lead her to be exploited by her colleagues. However, when her irritation hits the limit, Retsuko brings forth her unique brand of letting off steam: aggressive death metal karaoke bashing the idiocy and hypocrisy of her co-workers' actions and work life. Although this venting only takes place in her mind, it gives her an outlet to counter her frustration in a world where hierarchy and appearances reign supreme.

Mystery Camp Relaxing in the heart of nature is a constant joy for Nadeshiko Kagamihara, Aoi Inuyama, and their friends. But when the camping experience changes in unexpected ways, one can only be curious about the extraordinary wonders that have yet to be explored. Tabisuru Shima Rin Gathered around a campfire, the girls of the Outdoor Activities Club and Ena Saitou all propose various ideas to Rin Shima for her next trip. However, their suggestions are tailored to their personal preferences—not to mention that Rin has plans of her own.

With Valentine's Day just around the corner, the girls of the Future Gadget Lab discover that Kagari has never celebrated the occasion before! Determined to make this year's holiday the best one yet, they all set out to make delicious homemade chocolates together. However, with many of their quirks causing kitchen disasters, this may prove to be too hard a task. Will their feelings ever reach those of their heart's desire?

Second year high school student Ichirou Satou has always been an average person—that is, until he runs into some not-so-average situations with his teacher, Kana "The Demon" Kojima. Kojima is Satou's Japanese language teacher with a reputation for being so ruthless that even school delinquents bow down to her. One fateful day, things escalate when Satou runs into Kojima in the restroom, leading them to share an intimate encounter that makes his imagination run wild for days after. Nande Koko ni Sensei ga? follows the daily life of Satou and his teacher as they continue to meet under similar conditions, growing ever closer with each encounter.