[Machine Translation] Christmas is coming! A Holy Night with Nanami is Full of Happiness! Yonobu and her friends enjoyed the feeling of everlasting summer on their school trip to Hawaii and returned home with new vows in mind. But when they returned to Japan, they found it was in the middle of ...... winter! They catch a cold from the difference in temperature, but when they gradually return to their daily lives, they find that Christmas is just around the corner. In addition, Nanami celebrates her birthday, which she had forgotten about, and there are many other happy events! The Christmas Eve is spent with everyone, and on the day of Christmas, Nanami and I are alone together. Enjoy Christmas to the fullest in Volume 11!