Clannad: After Story

A few months have passed since Tomoya declared his love to Nagisa. Now their relationship is entering a new phase, and neither is quite sure where it will take them. As their friends move on to lives of their own, Tomoya and Nagisa get ready to start a family of their own. But Nagisa's health has always been precarious, and an event that should bring nothing but joy delivers tragedy instead.

Now Tomoya must learn to accept the bitter with the sweet and to understand that the most important thing is to hold onto love, no matter what.

(Source: Sentai Filmworks)

Note: Includes 2 un-numbered 'extra' and 'summary' episodes that aired at the end of the series.