Some people say that a girl's first boyfriend should be a strong warrior who takes her to see the outside world. The girl's heart opened, opened, and closed again on a rainy night. Many years later, when she stood on the top of Rockefeller Center in New York and overlooked New York, her memories overlapped and it turned out that time had flown by. They are never the same again. An encounter, an unforgettable experience, about growth and love.