Mushiba Tetsudou  

Cavity Express, 虫歯鉄道, 虫歯鉄道-Cavity Express-

"Clean your teeth or face the consequences!" The dental apprentice boy named EGG and his companion C1 boarded the mechanical-biological train known as the "Cavity Express." Their mission was to explore the world of cavities in order to complete their training and earn the title of dentist. Armed with toothbrushes and toothpaste, Boy Egg fought against harmful cavities on their journey towards the "End of the Journey Station." The Cavity Express is a unique fantasy adventure animation that follows their exciting quest.