This was actually a really nice and quick read! Don't worry about the last line in the synopsis, it'll be resolved in chapter 1 and it's nothing squicky :)
I've re-read this series countless times and this is another read in at least 9 or so years. Even with the somewhat squicky 57 chapters before this, the ending will always get me in the feels.
Green gentleman gone too soon ;-; I didn't really understand the lore part about how the green witch's powers became "white" after his affair and death? I was a bit confused that the powers (?) became infused in gems, which I'm sure also refers to Lis' gem and also the throwback to that other...