When the Deep Sea King attacks the city, Saitama and Genos race to confront this Demon-level crisis, but since even Class-S heroes were no match for this opponent, these heroes will need to summon all of their courage to confront the threat.

After seeing ring-like markings around the necks of two boys who miraculously survived a recent accident, Michiru Kita, possessing the rare ability to know the rings warn of impending death, find the boys have made a deal for survival that comes with a heavy price tag.

When Soubi takes on a new Zero team alone, he is badly injured. Ritsuka asks Natsuo and Yoji to teach him about the relationship between a Fighter Unit and the Sacrifice so that when Soubi does battle again, it will be with Ritsuka as his partner.

The DearS are an extraterrestrial race who have crash-landed on Earth and are now working with humans to become part of society--by going to high school! Takeya, a lonely high school student discovers the girl of his dreams when one of the DearS enrolls in his school.

Sho has miraculously returned to the tengu village, and while he seems content to live quietly on the outskirts, Kyo has learned the hard way not to trust his brother. To make matters worse, the villagers are resentful that Kyo won't share the restorative power of the Senka Maiden with them. But most demons don't possess Kyo's willpower, and one taste of Misao's blood would send them into a frenzy. Is it possible for Kyo be a good leader and a good...

Aoi appears to finally be coming to terms with her feelings for Shusei. But before she can come to a conclusion, she witnesses a shcoking scene between Shusei and a beautiful woman.