Kuromitsu
Kuromitsu is is a Japanese brown sugar syrup, literally "black honey". It is similar to molasses, but thinner and milder.
It is made from unrefined Okinawan brown sugar (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