Rainz includes seven members:�Joo Won Tak�(rank 62),�Hong Eun Ki�(rank 38),�Lee Ki Won�(rank 53),�Byun Hyun Min�(rank 45),�Seo Sung Hyuk�(rank 31),�Kim Sung Ri�(rank 47), and�Jang Dae Hyun�(rank 83). The group has 5 vocals - Wontak, Eunki, Kiwon, Sunghyuk, and Sungri, and two rappers Hyunmin and Daehyun, who�will all debut in October.

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Their first ever song together is "Let It Go, Let It Be" for the upcoming�MBC�Wednesday-Thursday drama 'Hospital Ship'. The first episode of the drama will air later tonight, so check out the OST above. Make sure to watch the drama as well.