One day, on the way to school, Nora meets a girl in the park named Patricia. She states that she is a princess of the underworld, come to the surface to destroy all life. However the first time she touches someone in the surface, she faints, and Nora finds himself nursing her. Patricia asks Nora to tell him the secrets of life, and Nora starts by explaining the adult magazine that they found in the park.
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(Source: Anime News Network, edited)

Episode 1 - I've been turned into a cat with magic?!

Episode 2 - That guy who never turns around when handouts are distributed

Episode 3 - Our Memories

Episode 4 - Revolutionaries

Episode 5 - Pushing for Leviathan

Episode 6 - World Peace

Episode 7 - I Am a Customer

Episode 8 - Summer Fireworks

Episode 9 - I Feel Like Visiting a Donut Shop

Episode 10 - Your Teacher Won't Look for the Murderer

Episode 11 - Decluttering

Episode 12 - I Don't Have Enough Clothes

DMM.futureworks

W-Toon Studio

Nora, Princess, and Stray cat.