Cheerful Amnesia manga volume 5 features story and art by Tamamushi Oku.

The wedding ceremony is finally here, and Mari and Arisa are about to seal their vows with a kiss…until a certain sight causes Arisa's memories to come flooding back! From Arisa's student days to the inspiration behind Mari's career—not to mention how the two grew closer—the pair's relationship before Arisa's amnesia finally comes to light!