bonus story - Wir helfen euch (Pixiv Fanbox)

Extra part to the story version blue skin: https://www.pixiv.net/en/artworks/97246797 version invisible: https://www.pixiv.net/en/artworks/97246806 For their first anniversary, the couples Mitsu & Ken and Yoko & Rico have chosen something special. All four go into a Love Hotel, exactly in the same room. The girls have buy some sexy underwear for their partners and show it them, before the have sex with them over many hours. Because the girls are still cursed to be living stone statues, they can have an orgasm, but it doesn't affect their stamina. They could have sex forever, but their partners need a break after hours of nonstop sex with them.