Crazy Jealous Guy: Sougon's son Subete, towards Maia.
The Comically Serious: Akira tends to fall under this sometimes, such as fighting for swimsuits.
Even before remembering it, their strong feelings for each other are obvious.
Akira and Maia met when they were children and saving Maia from her fate became Akira's reason to become the world's savior.
Subete has loved Maia ever since they were kids.
Whenever Akira says he is the "savior".
Whenever Sougon summons an M.J.B.K., he says, "Verbalize.
Casanova Wannabe: Tsutomu's attempts at picking up chicks are comically unsuccessful.
Bunny-Ears Lawyer: Being the commander of a group of defenders of humanity doesn't stop Sakurako from being eccentric and behaving like a Cosplay Otaku Girl at times.
Bridge Bunny: There are several of them, but Shoko is the only one who has a name.
Break Them by Talking: Nesta delivers a pretty harsh one to Maia in Episode 20.
Borrowed Catchphrase: At the start of Episode 17, Subete says Sougon's phrase, "Rejoice.
Maia comforts Akira by telling him that even though he can't be a savior, he still can be her lover. At the end of the final episode, Akira stops another purse burglar in the exact same way and he's about to say the same thing as before, but he realizes he couldn't become a savior, Subete did.
Bookends: At the beginning of the first episode, Akira stops a burglar who steals an old woman's purse by taking off the key of the motorcycle the burglar is riding on while it's still moving and then he claims he did it because he's a savior.
Big Good: Sakurako, who used to be Sougon's secretary.
However, with the appearence of a mysterious angel-like figure called Nesta, it seems that Sougon's position as the Big Bad is in doubt.
Maia herself is in one with Akira as Betty (who might be clueless about it, but definitely cares about her) and Subete as Veronica.
Akira finds himself in a Love Triangle with the timid and gentle ordinary girl Kokone and the aloof and harsh undercover spy Maia.
Beach Episode: Episode 5, in which the girls go to the beach.
Art Shift: A commercial for the blu-ray release by Kamikaze Douga is depicted with paper cutouts on sticks with a fully 2D transformation sequence of Aquarion inserted in the middle.