Investor Z

Zaizen Takashi is a freshman at Dojuku High School, which boasts the highest standards of education in all of Japan. It's also the only high school that is free. The secret of the tuition-free university is that the top students are put into the 'investment club' where they earn profits. Takashi is soon invited into the club and falls for the charm of investing. (Source: MyDramaList)