Ikuto is a college teacher. Not a very old one. Due to him being smart he's just like 3 years older than most of his students.
His favorite student is a little pinkette. She is rather uninteresed in him.
Amu is smart and stands out. She doesn't seem to be interested in guys. That is because she is still interested in her ex boyfriend. She can't forget about him even if he wasn't that special.
One night in a bar teacher and student get closer to each other. Amu is filled with guilty while Ikuto is even more interested than before.
He wants to help her. Help her to forget about this man...and help her to love him...