Title: LOST
Circle: ZERO SOUNDS
Album: 艦娘海戦歌
Release Date: 12/30/2013
Event: コミックマーケット85 (Comic Market 85)
Arranger: Kenji(Ash) / Singer: みぃ(GET IN THE RING) / Lyricist: uco(ヒメゴト。)
Original song:
全艦娘突撃! BGM / 決戦!鉄底海峡を抜けて!
Picture artist: NIAN
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=39981499
http://zero-sounds.net/