Euphonium (originally 響け！ユーフォニアム or Hibiki! Euphonium, translated as Sound! Euphonium) is a 4-volume novel series beginning 2013 with a 2-volume manga beginning 2014 and a 13-episode anime series that aired April to June 2015.
There is Off Screen Bathing.
Sound! Euphonium Specials
- Released June 17th, 2015
Sound! Euphonium 2
There is an Off Screen Bathing scene.