Frogs Singing in the Snow
The student attendance to Mt. Tate high school has decreased significantly, which makes it all the more surprising when Yukina and Ken arrive accompanied by Muetta. Carlos brings up his movie idea from the time at the onsen again and announces that he completed the script.
Aired 08/09/2016EP 23 - Frogs Singing in the Snow

2016
Kuromukuro
During the construction of the Kurobe Dam, an ancient artifact was discovered, and so the United Nations Kurobe Research Institute was established. Intellectuals from all over the world gathered to study the object, and the children of those researchers attend Mt. Tate International Senior High School, including the institute head's daughter, Yukina Shirahane. In the summer of 2016, a lone samurai once again awakens!
(Source: Pony Canyon USA)