Description and credit from song source:

This was a collaboration between Wordhuntering (http://wordhuntering.tumblr.com) and Hazuki no Yume {as found on youtube}. This song contains a lot of wordplays; the translation attempted to mimic the stylistic effect and may differ from the original in terms of meaning to a certain extent.

【兎眠りおん】サイタサイタ【たのしい童謡】(Saita saita)

Music: Owata-P [オワタP]
✦ http://www.nicovideo.jp/mylist/3236873
✦ http://garunan.com
✦ http://twitter.com/tomatowt
Lyrics & illustration: RUIKO
✦ http://hidoi3.blog.fc2.com/
Movie: 2X
✦ http://www.studio2x.com/
Official upload:
✦ http://www.nicovideo.jp/watch/sm24080751

Subtitles: Wordhuntering
✦ http://wordhuntering.tumblr.com
Translation: 
✦ https://hazukinoyume.wordpress.com/

All rights to the music, lyrics, artwork and original video belong to their respective owners. This video and the accompanying translation were produced for nonprofit, informational, and transformative purposes, with the aim of adding value to the original work and broadening the audience of the original creators.

【Owata - P Ft. Tone Rion】It Has Bloomed. In Its Gloom «English+Romaji Subs»

Shellfish_Hybrid