Jack Frost doll commission bonus (Pixiv Fanbox)

A commission from a patron with some great ideas! Jack Frost gets invited to a pool party that is eternally summer by his summertime counterpart not knowing he's stepping into a trap that will leave him like the rest of the guests in the party.... turns out he struck a deal with Pitch to claim all the seasonal spirits but Pitch decides that the summer spirit should also participate in the party blanketing the summer scene in eternal night....