The mobile game "Idol Master Shining Colors" celebrated its fourth anniversary this year, and the official release of a new fourth anniversary commemorative MV, the song used in the video is "Hong の行方".
The idol-making game "Idol Master Shining Colors" (アイドルマスター シャイニーカラーズ) is one of the Idol Master series, released on April 24, 2018. The characters and settings in the game are completely independent of other works, and players will train 25 beautiful girls with the goal of becoming a top idol.