While riding the train to Pythagoras Production's joint camp, R remembers the time when Marginal #4 was founded.
though they are such a tight-knit group now, in the beginning everybody had solo or other group careers and were not looking forward to becoming Marginal #4.
So what was the reason that everybody is giving it their all now?
The secret past of Marginal #4 is just about to be revealed! ...more