Precious Circuit is the 6th chapter of The Season's My Reason.
Yui visits the World Video Boxing Association arena.
Tropes:
- The Cameo: Katrina's father Joe, as well as Kirara, get small mentions.
- Crossover: Between Delicious Party♡Pretty Cure, Punch-Out!!, Ma Fille, and Yes! Pretty Cure 5.
- Eye-Dentity Giveaway: Mr. Sandman is able to tell Yui and Katrina apart by their eye colour; Yui has purple eyes, while Katrina has brown eyes.
- Giant Mook: Yui, Katrina, Great Tiger and King Hippo face off against an Ubauzo.
- Megaton Punch: Yui hits the Ubauzo with a 2000 Kilo-Calorie Punch and she and Katrina finish it off with a Cherished Calorie Punch.
- Mythology Gag: Kevin Keene is briefly mentioned as someone who was a "surprise visitor".
- One-Steve Limit: Katrina mentions her baby sister Paige. Yui, having met Paige O'Malley in the previous chapter, wonders if every universe she'll visit will have someone named Paige.