In Episode 1 of Onii-san... Ohitori desu ka?, the story introduces the protagonist, a young man who becomes involved with a mysterious girl named Otome. The episode explores themes of fantasy and desire, with explicit scenes depicting their intimate encounters. The animation emphasizes romantic and erotic scenarios, catering to adult-oriented audiences. The episode concludes with a cliffhanger, hinting at deeper connections and unfolding mysteries between the characters.
