The protagonist, Kouta Koikawa, is having a problem. He can't keep his eyes off of his social studies professor, Chieri Hase. He can't confess his feelings, since love between a teacher and student is forbidden love. One day, fate brings them together in an encounter that changes their lives forever.

The protagonist, Kouta Koikawa, is having a problem. He can't keep his eyes off of his social studies professor, Chieri Hase. He can't confess his feelings, since love between a teacher and student is forbidden love. One day, fate brings them together in an encounter that changes their lives forever.