Quick answer — Yuuri!!! on ICE The Movie: ICE ADOLESCENCE: the opening theme is "【特報】ユーリ!!! on ICE 劇場版 : ICE ADOLESCENCE（アイス アドレセンス）" and the ending theme is "【特報】ユーリ!!! on ICE 劇場版 : ICE ADOLESCENCE（アイス アドレセンス）".
Sequel movie to Yuri!!! on Ice. It ran for 1 episodes and is finished.
Yuuri!!! on ICE The Movie: ICE ADOLESCENCE has 1 episodes and is finished.
Yuuri!!! on ICE The Movie: ICE ADOLESCENCE is classified under Sports.
The opening theme of Yuuri!!! on ICE The Movie: ICE ADOLESCENCE is "【特報】ユーリ!!! on ICE 劇場版 : ICE ADOLESCENCE（アイス アドレセンス）".
The ending theme of Yuuri!!! on ICE The Movie: ICE ADOLESCENCE is "【特報】ユーリ!!! on ICE 劇場版 : ICE ADOLESCENCE（アイス アドレセンス）".
Yuuri!!! on ICE The Movie: ICE ADOLESCENCE is an original anime.
