undertail, lingerie, nsfw, fluff?, undyne nsfw, alphys nsfw
published on: 2015-12-24 21:08:18
undertaild.tumblr.com/post/135830111461/
undertaild.tumblr.com/post/135837128736/
undertaild.tumblr.com/post/135869236646/
undertaild.tumblr.com/post/136115887651/
24.Mettaton. Inadvertently coming to the rescue. Back in town.
undertaild.tumblr.com/post/136123890981/