Kohei Yoshoda has a girlfriend who is also his childhood friend. She is a year older than Kohei.
Her name is Urara Uesaka.
She is very popular at school because of her great body and personality.
Then one day, Kohei caught his girlfriend cheating with his best friend, Shota Ishikawa…that day, Kohei swore to himself.
He will get his revenge on Shota.