Many of them manage to get things done in a slither of time compared to some lengthier shows and can successfully create a good atmosphere with only 5-10 minutes per episode.
After digestion, MCTs travel to the liver where they are immediately used for energy.
To call this ecchi would be an insult to ecchi anime, there is next to nothing remotely ecchi in this series, so if that tag is what caught your attention initially raises hand , then prepare to be disappointed.