ドリーカノンどきどきときめきヒミツの音楽活動スタートです!! (Dolly Kanon Dokidoki Tokimeki Himitsu no Ongaku Katsudou Start Desu!!) is a Japan-exclusive music rhythm game developed by Nippon Ichi Software and published by D3 Publisher for the Nintendo 3DS. The game is based on the popular Dolly Kanon franchise, which follows the adventures of four high school girls as they form a band and pursue their dream of becoming famous. In Dolly Kanon Dokidoki Tokimeki Himitsu no Ongaku Katsudou Start Desu!!, players take on the role of the four girls as they form their band and work towards achieving their goals. As they progress, the girls will be able to unlock new songs and costumes, as well as upgrade their instruments and equipment. The game also features a unique “live” mode, where players can perform their songs live in front of an audience. The game features a variety of different game modes, such as “Story Mode”, “Free Play”, and “Tutorial Mode”. In Story Mode, players must complete a set of objectives in order to progress the story. In Free Play, players can practice their songs and compete against other players online. Finally, in Tutorial Mode, players can learn the basics of playing the game. Overall, Dolly Kanon Dokidoki Tokimeki Himitsu no Ongaku Katsudou Start Desu!! is an enjoyable and unique music rhythm game that allows players to experience the fun of being part of a band. With its colorful visuals, catchy tunes, and variety of game modes, it is sure to keep players entertained for hours.