Oh, My Goddess volumes 21 and 22

Volume 21

The Devil Inside: Peorth, in her 'kiddified' form, returns. She needs the person who did the spell on her to undo it, but that person is currently a cat staying with Keiichi and the others.

Go Your Own Way: Urd and Skuld decide to find the answer themselves. Belldandy helps them and Peorth gets bigger. Unfortunately, a lot bigger.

A Goddess Never Forgets: This is a very serious section where Keiichi talks to (a small size version) Peorth about how humans live so short and does it hurt the goddesses who they fall in love with.

The Cat That Stretched: Urd and Skuld have tried to come up with solutions for Peorth. The first one causes a rat go get very long legs. They analyze the spell that changed Peorth and find out it's a demonic spell with a heavenly program laid on top of it. Then suddenly the cat starts talking.

The Final Option: Apparently the Queen of the demons is the person they need to contact for help. Urd reveals that the CEO (the Queen) is her mother.

She's a Devil Woman: Her mother appears and she looks just like Urd except for a few details. She'll cure Peorth, but only if Urd joins the side of the demons.

Volume 22

Let's Make a Deal: Hild tells Belldandy she wants Keiichi but Belldandy, of course, says no.

Sister Act: All four of the goddesses sing as part of the spell to return Peorth to normal size.

Maybe...?: Urd explains that if she were to love her mother, her spirit would tip to her demon side. Urd's mother leaves the cat with Keichi.

Wicked Game: Mara designs a device to capture goddesses. Peorth finds some booby-trapped flowers.

Morisoto Residence: Rooms to Let: Skuld and Urd are captured.

Sparkle in Her Eyes: Others get captured, but eventually get released accidentally.