takt op. 運命は真紅き旋律の街を is a free iPhone game developed by DeNA HONG KONG LIMITED. This game is set in the year 2067, where humanity is facing the threat of the 黒夜隕鉄 (Black Night Meteor). The meteor has created ferocious beasts known as D2, which have disrupted the harmony of the world. In this desperate situation, humanity has found a way to fight back by harnessing the power of music.

You, as the conductor, will lead a group of girls called "ムジカート" (Musikart) who have sacrificed their human lives to gain the power to fight. Together, you will embark on a journey to save the world. The game features a captivating storyline and beautiful character designs by LAM.

Please note that takt op. 運命は真紅き旋律の街を requires iOS 13 or above and is recommended for iPhone 11 or above. While it may also work on iPhone 8 or above, optimal performance cannot be guaranteed on all devices.