With grand but precise dreams of manga success, Akiko Hayashi enrolls in an unconventional art class led by the stern Kenzou Hidaka, known simply as 'sensei.' Expecting an easy path to improvement, Akiko is instead met with a rigorous and unyielding teacher who challenges her to rise to the occasion. Through this demanding journey, Akiko discovers not only the essence of becoming a successful mangaka but also the profound lessons of adulthood, forging a deep connection with Sensei along the way.