Kaito tilted his head in confusion, but then it hit him. He must have been broken up with or figured out that Shuichi was cheating on him on Christmas, which would cause his sudden hatred for the holiday since he was usually rather excited about it. It was sad how Shuichi had ruined so much for him.
"Shuichi…why'd you ruin an entire holiday for him…?" he sighed to himself. "I thought we were friends, but I guess not…"