Pastel goth is this for instance:
Or this:

Do you like it? Question is: Is this kawaii?
First of all let's check the elements of this style.
✝ Make-up: Make-up is usually very dark, gothic. Black eyeliner, mascara, eyeshadow, lipstick. But it's common to use white eyepencil on bottom of your eye. The skin is usually matte.
✝ Hair: Hair is commonly very long. Colour is very light: white blond, pastel colours but black is also okey. It just looks more sad I guess.
✝ Fashion: There is a lot of things you can wear. Crosses everywhere. Colours are more important. Usually white, pink, purple, violet, light or pastel colours and yes: black. Here are some pieces of common outfits:

I think it contains some elements of vintage, indie and hipster. I can still see the japanese cuteness here. Let's take a look:



So far I think it is

What do you think?