Not unlike sister series the earlier OAD release xxxHOLiC Shunmuki that was released with the 14th volume in February, it looks like xxxHOLiC's will be released as part of a package with the 16th volume of the manga. No word yet on the title or what kind of story it'll be, but I'm sure it'll be excellent animation and a fun watch, whether it's Serious Plot Business or more of a fun filler.
(For those who aren't yet up on Japan's recent shift in lingo, an “OAD” is the same thing as an “OVA,” a direct-to-DVD (or in some cases direct-to-Internet) release, as opposed to a TV broadcast or theatrical release.)
I'm definitely looking forward to this. ^^
Also OAD dose not sound as good as OVA but whatever.
Am I excited for this? Yup. More love for xxxHOLIC <3 I don't care if it's filler.