Ou-sama wa Shitsuji-sama

From Chibi Manga: The patissière Fuji Tamago started a part-time job and the staff in the kitchen of that cafe are only handsome boys! She can talk with a lot of boys! but she's not good for that...what should she do...?!! Finally there's the ace of the butlers, Koyomi, that start joking with her. He suddenly became so kind....and her heart start beating for him...!!