All I Want for Christmas A History Holiday oneshot

History leader, Song Kyungil, is leaving for his mandated service soon and you can't bear it. You've tried wishing it was a dream. But he invites you along to celebrate his birthday and farewell with the rest of his bandmates: Dokyun, Jaeho, Sihyoung, and Yijeong. Where does he take you to spend time with you? Will you two finally get to say how you feel? And what will his Christmas present be to you?