Metamorphose's Flower bottle high waisted jsk in lavender, this jsk features a three tiered skirt, partial back shirring and an open fit for the waist.
It is such a lovely dress, especially for spring! 
I modified the fit of the bust by adding a second row of buttons on the straps as shown in the pictures. The differences in buttons isn't noticeable when wearing it. I also had to replace a button on the waist ties so those buttons aren't matching either, but again when you're wearing it nobody can see the buttons. 
The bust will fit a bit nicer than the reference link says, it fits up to 100 cm in the bust.
Because of the modifications made I will be selling for much less than its worth.