Description
If you compare the Eizouken manga to the anime, you'll see that the director, Yuasa, added a lot to the setting of the anime. The first instance of this was in 01 when Asakusa closes that fancy looking shutter during a typhoon. I asked the translator if Japanese households normally had that kind of thing, and he said he didn't know. As the series ran on, there arose a lot of little hints that the anime is set sometime in the future. The manga has no indication of this, at least in the early chapters. There is also a theme of global warming / climate change that constantly pops up, most notably in the final episode.
But there is some tension that came from that. Given the whole focus on climate change, I was baffled when Asakusa mentioned in this episode that "Shibahama gets buried in snow in winter," and I basically grilled the translator on it, arguing that it couldn't be right, given all the focus on the hot climate in 08. But the explanation is that the manga has one sense of the climate of the town, and the anime has another. And obviously it's odd for the students to have 2020-esque smartphones.
It's worth it, though. Yuasa is pouring his life's experience of making anime into the work. Science Saru is, afaik, the only studio that uses Adobe Animate to do the automated tween thing discussed in 04 as a standard part of the animation process. It's not hard to guess whether that entire drama about tweens came from the original manga or from Yuasa.
Yuasa has done this before. His movie Mind Game went far beyond the manga it was adapted from, creating all kinds of subplots and even replacing the ending. You are literally required to go frame by frame in Mind Game in order to catch all of it. I even have a text file saved away somewhere documenting all of the little details and what they mean for the plot.
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The TS at 16:50-17:15 was so good that it probably contributed to the year's delay of episodes 11 and 12 due to how intimidating it was to live up to.