Story
"Any vampire who eats a human will be killed by the Velmorias..." To marry his vampire girlfriend, Yuto decides to become a vampire himself. Just as he thinks it's time to cue the wedding bells, she tells him there's one absolute rule he must never break...?! Meeting the most feared sister-and-brother duo in the vampire world is about to throw his life into chaos!
Synopsis via AniList (English).
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