Kongpop is 3rd year and a head hazer now and Arthit is in his 5th year. They already in relationship for 2 years. All the seniors from 3rd year until 5th year knew about them. Often teasing them when they saw Kongpop and Arthit together in one place. So, what will happen if there is a girl from 1st year who falling for Kongpop? What will Arthit do to keep his boyfriend for himself only?