Author: TSUKUBA Sakura ,
Year of release: 2014
One day when 17-year-old Sagara Kurumi accidently bumps into a guy on the streets, reins suddenly appear and binds them both! What is this?! Things get even more confusing when the boy, Kaito, clasps her hands and calls her his master! When Kaito transforms into a reindeer it just becomes too much for poor Kurumi whos out like a light. But it does indeed seem like Kurumis a Santa and Kaitos her reindeer and that theyve got an important job to do on Christmas Eve~The first three chapters in the first volume are about this cute "couple" and the last one is a oneshot called Amai Kamiato.