This is Akagi's song. Simply beautiful.
...plus I'm so in love with this picture somehow
"Further"
Original：母港 (Home Port)
「艦隊これくしょん～艦これ～, Main menu theme」
Vocals：片霧烈火(Rekka Katakiri)
Lyrics：kyrie
Arrangement：たくまる
Circle：帝國交響楽団 (Empire Ensemble) | http://empire-ensemble.net/sunrize/
Album：陽はまた昇る | Comiket 85
Picture：ハオ甲級 | http://www.pixiv.net/member_illust.php?mode=medium&illust_id=40117720
Translation：https://songsforeris.wordpress.com/2014/07/31/haruka-tooki/
I don't own anything in the video, including the audio and picture. The credits go to the respective owners. This video is purely fan-made and will not be used for profit or illegal sharing!