Nao Yoshizawa is the main protagonist of the manga and anime series 'Otoko no Ko wa Maid Fuku ga Osuki!'. Nao is a high school boy with a cute and androgynous appearance, which leads to him often being mistaken for a girl. In the series, he is convinced to wear a maid outfit by his friends, leading to comedic and heartwarming situations as he navigates his feelings and friendships. Nao's journey explores themes of identity, acceptance, and self-expression.