Harry, you wait for me to grow up

Male protagonist: (Mr. Harry Hart) The suit pants have long legs. On the surface, he is an employee of a tailor shop, but he is actually a royal agent.Mensao is handsome and dregs.Heroine: (Emily) was a nerd in her previous life, but she was reborn as the daughter of a certain nobleman in the witch world. She grew up with her aunt, and when she went to play in the Muggle world, she met Mr. Hart, an idol from her previous life~ [ This is one: the daily life of a handsome old man and a cute loli] Hart: I work for the Royal Tailor and have a house and a car in London. Will the girl marry me?Emily... Hart: I have a cute little dog named Mr. Pickle. (holds Mr. Pickle) Emily! ! !So this is a story of an old man using a cute dog to capture the heart of a girl, and at the same time a story of a girl trying hard to learn how to tease an uncle in suit pants and at the same time being teased back~