- Actor Allusion: In episode 10 of season 1, Shino is shown cowering in fear and covering her ears◊ in the way Mio did. Bonus points, considering it was the exact situation (i.e., Tsuda recalls how he injured his finger with a broken plate).
Shino: D-Don't! I can't stand painful stories!
- Author Existence Failure: Miyu Matsuki (Suzu's mother) passed away on October 27, 2015 due to Pneumonia.
- Casting Gag: Furuya enjoys old-world snacks, uses 80's slang, does her calculations on an abacus and even her fanservice is old-school. She's played by Hirano Fumi, best known as the voice of Lum in the 80's series Urusei Yatsura.
- Fan Nickname: Chinese viewers call this series Student Council of Dirty Jokes.
- Talking to Himself: Whenever Shino speaks to Shiho of the idol group Triple Booking.
Watch Takatoshi drag Shino all the way back to Seitokai Yakuindomo before she puts her mind into the gutter.