In Diamond Castle, Naniwa Danshi Group are waiting for new person for their new idea... At night, Baby Even walks in Diamond Castle all alone so he puts his black diamond down on the table between Michieda Shunsuke's pink diamond & Nagao Kento's Yellow diamond... The Next Morning, Naniwa Danshi went back but they saw a new diamond is on the table... who could it be? A new person?

Fujiwara Joichiro (Blue) : Wait..

Ohashi Kazuya (Green) : Hm?

Onishi Ryusei (Orange) : What is it?

Takahashi Kyohei (Purple) : Wha?

Michieda Shunsuke (Pink) : A black diamond?

Nagao Kento (Yellow) : Who is it?

Nishihata Daigo (Red) : Who? Who?