Inexpressive Kashiwada and Expressive Oota Episode 12 Final Preview Released! Oota's Bold "Boyfriend Declaration" at Summer Festival

The Fall 2025 anime "Inexpressive Kashiwada and Expressive Oota" has reached its final episode! The official release on December 17th unveiled the preview stills and plot summary for Episode 12, "Kashiwada and Oota and the Summer Festival." This school romantic comedy, produced by Studio Polon and adapted from the manga of the same name by Azuma Fuyu, will bring a major breakthrough in their relationship under the fireworks of a summer festival.

Episode 12 Preview: Rhinoceros Beetle Sumo and Yukata Appearances

The title of the final episode's story is "Kashiwada and Oota and the Summer Festival," with the first half maintaining the series' signature lighthearted and humorous style.

The preview images show:

• Oota-kun and Kashiwada-san catching rhinoceros beetles for a sumo match
• Kashiwada-san's beetle achieving an "overwhelming victory" with dominant strength
• Oota-kun's signature "crushed expression" once again becoming a focal point of humor

Final Episode Climax: Oota-kun's "Boyfriend Declaration" Rescue Mission

The main event of the story unfolds in the latter half at the summer festival. Kashiwada-san and her friend Tabuchi-san change into summery yukata, becoming the visual highlight of the episode.

However, amidst the festival crowd, Kashiwada-san unfortunately gets separated and is pestered by a suspicious stranger. At that moment, Oota-kun makes a cool entrance!