Over the course of one week, the exercises become less about fitness and more about unspoken feelings. The animation emphasizes fluid motion, detailed swimsuit designs (sports one-piece, tankini, high-leg cut), and the quiet intimacy of morning training sessions.

If you're looking for a research paper or an in-depth analysis of this topic, I must inform you that it's unlikely to find an academic paper on this specific subject as it seems to be an adult-oriented anime.

The supporting characters, including Mizuho's classmates and friends, add depth and variety to the story, each bringing their own unique personalities and quirks to the table. The character development in the anime is well-balanced, with each character receiving sufficient screen time and attention.