Shiro-kun, the costumed mascot character of Kamiamakusa, has traveled forward in time from 350 years ago. His real name is Kamiamakusa Shiro.
Amakusa Shiro is a tragic charismatic hero. He led Christians at the young age of 15 years old in a battle at Amakusa and Shimabara against the Edo Shogunate that had banned Christianity.