Warning: This song contains questionable lyrics and themes; it may be inappropriate for younger audiences.
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Uploaded October 21, 2011 (NND) and May 6, 2012 (YT), with 31,000+ Niconico views and 2,600+ YouTube views
Sweet Shackles is about the passion and unrequited love of a master's maid. The maid's master becomes engaged, and after the maid realizes this, the maid holds her master hostage and forces her master into marriage at the end of the night.