KISS x 500 KISSken, Hatsudou

The main character lives on an island. There is a unique unwritten law that a person who kisses is arrested and imprisoned for five years. Kissing is strictly prohibited on the island. He always thinks of living a life full of kisses. One day, his pent-up desire to kiss explodes and tries to kiss girls around him, but he fails... "We have the right to kiss!!!" He decides to leave the island... Why is kissing banned on the island...? [From Himeya Shop]