Desc: Oushitsu Kyoushi Heine: Directed by Katsuya Kikuchi. With Yuto Adachi, Shouta Aoi, Yûya Asato, Takuya Eguchi. The four princes of the Kingdom of Granzreich are aiming to become the next king. Under the guidance of the royal tutor Heine Wittgenstein, appearing before them are twin princes from the Kingdom of Romano are extremely sadistic.