It appears there are going to be quite a few titles falling under the fighting and harem genre this upcoming winter season of 2014/2015, although I might be merely speculating about the latter category.
"Absolute Duo" takes place in a world where certain humans are able to manifest fighting equipment, known as Blaze, from their souls. Unlike others, our male protagonist Kokonoe Tooru's fighting equipment is that of a shield. Enrolling in an academy and paired with the silver-haired female student Julie Sigtuna, what adventures (and the romance aspect) await them?
The more detailed PV2:
Link to the official anime website: http://absoluteduo.com
Having quite a few anime titles of such genre airing the same season may not be a wise idea, but I will be following them to see how each title turns out.