The boys are auditioning for the Hana Ningyo Project. Each of them carries a dark past as they step forward. But they are not the only ones with secrets. The organizing production company requires them to sign a contract agreeing to undergo a surgery to implant a special "seed" inside their bodies, which will trigger their "blooming" as perfect idols, in exchange for their lives.
There is no one who would refuse. No matter the cost, they are determined to make their 'dreams' come true.