第4話: ジュンは、準備期間がわずか1ヶ月しかないとはいえ、クリスマスギグのためにカルテットを組むようカオルとセンタロウを誘う。

4

Brother Jun invites Kaoru and Sentarou to be part of a quartet for a Christmas gig at a jazz bar, but they've only got one month to get ready. Also, Kaoru feels pretty sorry for himself and jealous of Sentarou for 'having it all', but comes to realize how paltry his own misery is when Sen reveals the secret of his birth... (Source:Crunchyroll)