He asked for permission of course, but if he had to get permission to use Hanako's likeness, shouldn't he have also asked RAITA for his blessing? The poster is using one of Hanako's KS designs (the hat, at the very least, being a Weee creation), but the placement of Hanako's scars, the color of her hair, and even the Yamaku uniform itself part of RAITA's original sketch.
The original sketch wasn't colored.
Oops.
"I wonder what is it about the rain?"
"Everything."
