Medaka Kuroiwa Is Impervious to My Charms 15

Mona Kawai has beaten the odds and secured a special Christmas date with her crush, Medaka! Sure, it got off to a rough start, but there's still one more stop left, and one more chance for the romantic holiday to work its magic. But when Medaka realizes that she's catered the whole outing to his preferences, he tells her something that completely stops her in her tracks. Later, with the new year right around the corner, the lovely ladies in Mona's life gather for a group sleepover--only for it to take a very daring turn!