Masamune, a third-year middle school student, lives in a town where all the exits have been sealed off due to a sudden explosion at a steel mill, causing time to stand still. Residents are forbidden from making any changes and spend their suffocating days in the hopes of returning to normalcy someday. One day, Masamune's mysterious classmate Mutsumi guides him to the fifth furnace of the steel mill, where they encounter a girl who cannot speak and resembles a wild wolf. The meeting between the two girls and Masamune disrupts the balance of the world, and the unstoppable "impulse of love" from boys and girls tired of their daily lives begins to destroy the world.

Yohko Mono is a regular girl making her way through high school--until she learns that she is the 108th successor to a line of warriors charged with defending the earth against demons. Eventually she must fight her ultimate battle against the demon who started it all.

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.

Having lost something important, the immortal witch could not stop her tears, and accidentally provoked the Prince of Hell when she tried various ways to stop her own tears! Hence, a daily life of pandemonium ensues!