Amnesia is so Embarrassing!

[post-manga/anime] The Usui family was a typical household until sunlight starts to burn Karin. Then, despite all of his efforts to keep Karin's past a secret, Kenta is forced to explain who and what his wife really is after a near-fatal accident. How will Kanon take the news, and what do Karin's newfound abilities mean for her family and the vampire race?