Their costumes look like bodypainting. Their crotches spot, err..., bush, to be polite(?). You can also see the difference from post #591568, like the diamond-shaped emblem in the middle of the chest.

Haruyama pulled this pic for some reason, and replaced it with the one in post #591917 for Jan. 5th. It looks like it was going to be a continuation of post #591568.

gladwort said:
Haruyama pulled this pic for some reason, and replaced it with the one in post #591917 for Jan. 5th.

This pic is time-limited one. He did this for several pics.
And yes, this pic can be connected with post #591568.