海になった少年 (Umi ni Natta Shounen)

{{Song box Romaji: Umi ni Natta Shounen nokuhashi (illustration) takoyaki pan (mixing)
 * image = umi ni natta shounen.png
 * songtitle = "海になった少年"
 * uploaddate = November 3, 2011 (original) / December 26, 2015 (remake)
 * viewcount = 900+ (NND1) / 700+ (NND2 / 800+ {YT)
 * color = #191970; color: #E0FFFF
 * singer = Kagamine Len
 * producer = endoryo (music)
 * nnd_id = nm16069795
 * nnd_comment = original
 * nnd_id2 = sm27874764
 * nnd2_comment = remake
 * yt_id = OhOa6BVFj0A}}

Background
"Umi ni Natta Shounen" is an original Japanese VOCALOID song featuring Kagamine Len.