Kakeochi Kakugo!

From Nakama: The Student Council President, Sakurai-kun and Vice President, Mikami-san are in their honeymoon period. Their council work has come to an end now that they are 3rd year students, and from now on, they are going to enjoy days filled with love. Suddenly, Mikami-san's grandfather comes suddenly from England and wants to take Mikami-san back with him as his successor..!?