Battles continue between "Penguin Empire", the mysterious life form which arrived on earth all of a sudden, and "Beauty Salon Prince", the secret anti-Penguin organization. In order to fight Penguin Empire's gigantic "Penguin Robot", Beauty Salon Prince has developed their ultimate weapon, "Daimidaler", and is now looking for the pilot. They choose Koichi Madanbashi, a hot-blooded high school boy who is mad about big boobs, because he is the factor of "Hi-ERo particles", the source of unknown energy.

A boy named Lasset who lives on a farm in the rural northern US makes a perilous trek through the wilderness to a sanctuary 300 miles to the north to save the life of a gray wolf that he had raised from a puppy after an incident in which the wolf kills the family dog.

Waking up in a new world, 25-year-old Shingo Ichinomiya realizes that he is in the body of a six-year-old. Retaining memories of his stressful life working at a firm company, Shingo learns that the person he is occupying is Wendelin Von Benno Baumeister, the eighth son of a poor noble family living in the countryside. Awoken to his bizarre situation, Wendelin strives to change his financial and social status for the better. His newly discovered great magical aptitude may prove to be just what he needs to achieve that goal.

Just when everything seems peaceful again for Yuna and her friends, a new enemy appears in the form of three robotic sisters. Yuna must once again become the Savior of Light to fight this strong, new evil.