Tsuki to Ookami

Aoi Haruno moved into his own apartment, and his next door neighbor turns out to be a Wolfling named Woo. Even though they speak different tongues, they find a way to overcome the language barrier and start up a relationship. Everything seems to be going well for them, but both Aoi and Woo have worries they haven't shared with each other...
(Source: Renta!)