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Heyooooo. Help help haha. I'm looking to this particular manhwa where this seme guy buys roses to this flower shop it is because it was taken care of a guy (i think he is interested with). Then little did he know that the person who always buying rose to his shop was actually a (vampire?) but hes eating the rose as his dinner.

Sorry forgot the timeline. I hope someone can help. Shounen ai I think or yaoi? Hmmmmm