Ranmaru life was complicated when her father left them for another woman and never came back she became the girl who helps her family and stand by their side, she also hates men because she keeps saying that all mans only using girls for fun not true love since that, she studied hard and got a great job at a company called mochi haru, he has a different life because he is a vampire alpha. His family knows about him and he never drink human blood because he doesn't want to. Then he meet on omega human girl who works in his company then made deal with her to be his blood prey and live with him. They went through many trouble until everything was cleared out. It's the best company's in the city of yeoh lee, but it's too far from her family she decided to work and send them money to live will until she met the manger Mr mochi and here they start falling in love.