Animated CD Hethalia x Mutton de Oyasumi Series, Vol. 3 Let's Sleep Together with Lullaby [First Edition]
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: アニメ系CD ヘタリア×羊でおやすみシリーズVol.3 みんなでいっしょに子守歌でおやすみ[初回版]