The release date for the Kono Oto Tomare! TV anime has not yet been revealed.
Volume 18 of the original Kono Oto Tomare! manga hits Japanese book stores on August 04, 2018.
The story of Kono Oto Tomare! is set at Tokize High School, where the music club dedicated to the koto (a traditional 13 stringed instrument) is on the verge of dissolution from a lack of members.