Haruchika - Haruta & Chika Episode 12: Sympathy Triangle
Episode 12 of 12 of Haruchika - Haruta & Chika, aired March 24, 2016, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Haruta deduces that their teacher has been offered a job with a symphony and follows him with Chika, learning more about why he left professional music.