If you're looking for manga similar to Seitokai Yakuindomo Movie 2, you might like these titles.
A girl shouts "penis" while running through the train station. In that instant, I fall flat on my face. After the enactment of the Public Morality and Wholesome Upbringing Law sixteen years ago, all sexual words have been lost in Japan. Okuma Tanukichi has entered one of the few schools with excellent public morals where his beloved upperclassman Anna serves as student council president. However, an obscene terrorist going by the name Blue Snowfield blackmails him into joining SOX, an obscene terrorist organization! Is this a prison or is it a harem?
An offshoot of the original Hetalia - Axis Powers work, Hetalia - World Stars follows the strange personifications of Italy and other nations as they navigate their world.
In Ruby-Sapphire, Clefairy will make you laugh hilariously! Accompanied by Red, Clefairy meets with all sorts of problems on its travels entertained by all the silly ideas it comes up with to solve them!!!
Times continue to grow worse as criminals go after little girls. The police are always too late or keep losing their target. Who will protect the happiness of little girls?! A half-naked, bird mask wearing, NEET, lolicon will. An ally of justice! A phoenix that will protect the little girls from perverts, molesters and degenerates that lurk the neighborhood!
Nozomu Itoshiki is a high school teacher who views everything in life in the most negative way possible. Even his name reflects his personality: if the Japanese characters are written horizontally, they spell out 'despair.' One day during one of Nozomu's many suicide attempts an incredibly optimistic young girl named Kafka Fura rushes to save him from hanging on a sakura tree. Nozumu later finds out that Kafka is a student in his new class! In fact Nozomu's new class seems to be made up entirely of strange, troubled individuals who constantly foil his attempts to end his life.
It's 16 years after the "Law for Public Order and Morals in Healthy Child-Raising" banned coarse language in the country. Tanukichi Okuma enrolls in the country's leading elite public morals school and is soon invited into the Anti-Societal Organization (SOX) by its founder, Ayame Kajou. As a member blackmailed into joining by Ayame, Tanukichi ends up taking part in obscene acts of terrorism against the talented student council president and his crush Anna.