Magical Witch Punie-chan - Season 1 Episode 4 "What does my involvement mean if it be only tepid?" & "It can't always be like it is now, becoming an adult is kinda scary."

Punie becomes one of the organizers of her school's Sports Festival. Features a kiba-sen (cavalry battle) that parodies several episodes of Japanese history. Pyon and Potaru discover a magic cupcake recipe that bestows upon them the stature and strength of adults. They immediately use their newfound power to attack their older sister, but are once again defeated.