Hikakin, the most famous of the five characters in the popular manga series, "The Principal 3D" by Yumi Matsui, is now available as a mobile application! It's a fun and casual game with easy operation, so you can play even if you're not a professional game player.

The story starts with the headmaster of the most prestigious high school in the world, who is sick and leaves his office for a few days. The students of the school are in an emergency situation because the headmaster has left. The students decide to make a new school principal, so they select one of their friends and make him the new headmaster.