Suenaga Hijiri's dream to become a teacher is realized when she gets assigned to a middle school as a teacher. There she has a fateful encounter with Kuroiwa Akira a middle school boy who has a mysterious charm. However Hijiri is already engaged to be married to Kawai Shotaro a man she's known since college. Hijiri agonizes between Akira the boy with a fascinating aura and her fiancé Shotaro with whom she'll be sharing her life.