The story for follows Mizuho, a curvaceous young woman who has become self-conscious after gaining a bit of weight. Determined to get back in shape, she decides to start an exercise routine.
However, her plans for a traditional workout are constantly interrupted by her boyfriend. Instead of supporting her gym goals, he is more interested in physical intimacy, leading to a comedic and adult-oriented struggle between her desire to diet and his constant advances whenever they are alone.
You can find more details on databases like IMDb or Anime News Network . Mizugi Kanojo: The Animation (OAV)