Girl group Rainbow will be holding a hand-shaking event with 200 fans to celebrate their comeback.

Today, they released their new song, "Tell Me Tell Me." They will also be holding a showcase with 200 fans. They plan on shaking all of their hands and thanking them for their support.

This will be their first comeback after a 1 year and 8 month hiatus. They decided to create this event so that they could meet their fans on a more personal level.

Aside from the showcase, there will be other types of fan services as well. The group has prepared presents that they have brought themselves that will be given away through a raffle system.

On the other hand, Rainbow has released their song and music video today and will begin activities.