Endou Eiichi

In the film, butterfly warriors suddenly appear in Yamabiko and snatch away Hana Kappa's mother and others. Hana Kappa and his friends head out towards the mystery-filled land of butterflies. They overcome obstacles such as mountains and deserts and along the way, encounter a mysterious boy named Poru. Source: ANN

To all his schoolmates, Jin comes across as a hot-headed class clown who typically barges in late, sleeps the whole way through classes and always responds to any situation with reckless stupidity. The fact that he used to be the charismatic leader of a legendary biker gang has turned into an urban legend; however, after starting a rivalry with the captain of the school…