Without the knowledge, Godou has no chance of defeating Perseus. He could order Liliana to give him the knowledge but that is not his way. How will Godou defeat this ancient hero?

Kawahama and Misato have begun to cultivate caterpillar fungus to make money, but another first-year student, Oikawa Hazuki, kills them all with an antibacterial spray. Elsewhere, Professor Itsuki celebrates the construction of his new fermenting cellar with a sake brewing demonstration, giving Sawaki a firsthand look at the work of microbes in fermentation.

Hiochi bacteria, sake's worst enemy, are pouring out of the window of a school building! Sawaki traces them to a room where two upperclassmen, Kawahama and Misato, are illicitly brewing sake. Now deep in debt after their sake brewing effort failed, the pair devise a plan to make money using Sawaki's ability to see microbes...

For some reason Sawaki Tadayasu, a new first-year at Agricultural University, can see microbes. When he spots massive numbers of microbes pouring out of the ground, he suspects that a missing student, Hasegawa Haruka, might be buried there! Then an old man, Professor Itsuki Keizou, leaps onto the scene and starts digging...

Michiko is happy that Mari and Hagino have made up and the play begins. The Arume ship closes in, but the human defense forces are no match for the new Arume weapon. As the fight escalates, the school is bombed and everyone evacuates. Hagino returns to the ship, and Mari watches from the docks as Blue heads into battle for the final confrontation with Shibariel.

The school prepares for the festival and the play. Hagino tells about the coming Arume invasion and her hopes to protect the planet. Azanael learns that the Blue’s Emiru Force Drive’s explosion and the resulting disaster were all planned by Shibariel in order to create a new weapon. Mari’s grandmother arrives at the school for the festival, and Mari tells her that she now understands why she was sent there.

Mari, thoroughly upset by the details of the incident and Hagino’s role in it, does not want to participate in the play anymore. Hagino sits in Onomil’s quarters and cries until the specter of Onomil appears and tells her not to continue blaming herself. Azanael learns that multiple ships have been deployed to destroy Blue.

With the script complete, Michiko has been appointed the play’s director. Hagino, admiring Michiko’s display of openness in the play, brings Mari onto Blue for a fun ride. However, after the ship begins to have technical issues, Azaneal reveals to Mari painful details about the accident five years prior and who was to blame.

Michiko's script is favorably received by her classmates. Later, after taking shelter from a storm, Mari remembers being saved on Kamioki Island and realizes it might have been the first time she met Hagino.

Hazuki finally makes it back to the real world, only to find himself a ghost, floating by helplessly as Shimao (in Hazuki's body) rekindles the romance with his wife!

Marie and Hasegawa both understand that running from their problems isn’t getting them anywhere. But the men in their life refuse to listen…

Amago Tsunehisa entered the sandbox on 6/28 and in less than a month, she was the ruler.

Over at the Medical Unit camp, Sakura and the other medic ninja work nonstop to treat the wounded. Neji is there to recover from overusing his Byakugan.

Bossun, Himeko, and Tsubaki get a huge surprise when they visit Mimorin's house. Then, the old ramen guy from episode 29 is back for revenge! This time, his Food Fight uses Western-style food and Bossun feels obliged to participate!

Mr. Handa invites Polar Bear out to lunch, while Panda and Penguin discover more about Sasako. Panda Mama has much to learn when it comes to all- you-can-stuff and all-you-can-eat situations.

Haruto returns to his home of the Fuji-style Ninjas with Ryuho following. After losing sight of Haruto, Ryuho is met with shurikens and kunai’s, it seems Saints are not welcomed.

Kaito finally gets to challenge the elusive Mr. Klondike, but that too is all a part of his plan.

A girl named Mari is in an abusive relationship with her friend Juri, who has been threatening to send Mari to Hell if she doesn't do exactly as she's told.

The story of how Wannyuudo came to join up with Ai is told, as a family whose ancestors were Ai's victims 400 years ago face the same problem.

A girl comes home from work one day to find her mother, who left the family when she was a little girl, has returned an invalid. Not only that, but her father wants her to pamper her mother every day, causing problems for the girl.