When Seikichi Kuroda—self-proclaimed guardian and head thug of Hekikuu High School—hears rumors of a first-year transfer student named Seiichirou Kitano terrorizing his entire class, Seikichi tries to intimidate him through authority. However, things go awry when he witnesses something horrifying—Seiichirou has a face so dreadful and haunting that even Seikichi hurries away in fear. But despite his menacing appearance, Seiichirou has a heart of gold. Inhibited by his poor communication skills and fear-inducing looks, he has never managed to convey his true self to his terrified peers, resulting in his lifelong ostracization. Now the new guardian, Seiichirou discovers that sometimes friends can be found in the most unlikely places and through the most unusual circumstances.

The girls of Momotsuki Academy's Class 1-C are starting their tenth-grade year with a brand-new instructor. The good news? The teacher is an MIT grad. The bad news? She's only 11 years old! So, while Becky Miyamoto may be an intellectual titan, this child prodigy is painfully ill-equipped to deal with the group of temperamental teens—and idiotic aliens—that await her instructions! (Source: Funimation)

There are rumors that one of Kamome Academy's Seven Mysteries, Hanako-kun, has gained an assistant: first-year high school student Nene Yashiro. Together, Hanako and Yashiro investigate the school's many mysteries, keeping the balance between humans and the supernatural. But in their free time, the two can often be found goofing off, engaging in various antics involving Yashiro's schoolmates and the lurking spectral entities that normal people cannot see.

Segua Kingdom has been losing the war against Ninterdo Empire but the tables are turned by the appearance of a boy called Gear. All the characters are parodies of Nintendo or Sega games such as Sonic the Hedgehog, Super Mario Bros., The Legend of Zelda etc.