Kosuke has a habit of botching Natsuna's birthday, but this time, he's determined to get it right. A perfect date under the stars seems to do the trick-until he makes a mess of their tidy home and negates all her healthy cooking. Hoping to do better this coming year, Kosuke vows to cause fewer problems for the people around him...but his New Year's resolution is off to a rocky start thanks to nonstop holiday festivities and booze-fueled fun.