Ore wa Teppei

Teppei Uesugi and his father have long since lived deep in the forest in search of buried treasure. Since he has not been a member of cultured society for a long time, Teppei is wild and unmannered. One day, Teppei's uncle finds him and Teppei finds out that he is actually from a very prestigious family and had five siblings. For the first time in his life, he will have to attend school and live under his grandmother's rules. Can Teppei really adapt to his new environment?