Kuromitsu
Kuromitsu is is a Japanese sugar syrup, literally "black honey". It is similar to molasses, but thinner and milder.
It is typically made from unrefined Okinawan kurozato ("black sugar"), and is a central ingredient in many sweet Japanese dishes. It is one of the ingredients used in making wagashi, and it serves well with kuzumochi, fruits, ice cream, pan cakes, etc.
Sources
http://www.deliciouscoma.com/archives/2007/03/kuromitsu.html