Samu Life (2015)

Based on the Japanese autobiographical novel Samuraifu, the film depicts former high school teacher Nagaoka (Takahiro Miura) who is founding a non-traditional high school called Samurai Gakuen (or SamuGaku) with an ideal and lofty curriculum. To make this happen, however, one needs money. To obtain money Nagaoka works at a bar and operates a publishing company.