The Duchess' 50 Tea Recipes

The Duchess' 50 Tea Recipes manga summary: When I opened my eyes, I had become the duchess. But something isn’t right. I went as far as becoming a character but I’m just a duchess in name that gets mistreated by the maids and ignored by her husband. What a crappy life! Gosh, I don’t know what to do anymore. I’ll just quietly enjoy my tea, was what I thought. “Can you prepare tea for me again next time?” Something’s gone wrong with my cold husband!