Prettiest girl is rejected by the Unpopular Boy

Anime Recap Summary: Futaba a high school student hasn't forget her middle school love, Tanaka. Even though three years have passed since he suddenly disappeared, she still dreams of him. One day, she has an unexpected encounter with a student who look exactly like her crush. However, the once Tanka she knew has grown taller, has a deeper voice and even has a different name.