Sandwich Transformation

サンドイッチ化(Sandwich transformation, https://www.pixiv.net/tags/サンドイッチ化). Trigger word: sandwich transform, sandwich head, sandwich hair, completely nude, dripping jelly, |_|, smile, open mouthsandwich breasts, jelly nipplessandwich pussy, puffy labia, pussy juicesandwich penis, sandwich balls, jelly cum, unusual cum, futanari,transformation sequence, slime girl, sandwich, before and after, before transformation