Red Medaka (2015)

When 17-year-old high school student Danshun is acquainted by the doodling and drawing art, known as Rakugaki, of Tatekagwa who is at the school for an educational session, he determines that he has found what he wants to do. Danshun visits the experienced man and pleads to become is apprentice. Quitting school he becomes the older man's servant and apprentice as obedience is the first step in the process.