Miriella Ainsworth is a charming and enigmatic character from the anime series 'Isekai Ojisan'. As the series unfolds, Miriella plays a significant role as one of the key individuals who interact with the protagonist, Ojisan, who has returned to his own world after being trapped in a fantasy realm for 17 years. Miriella is known for her sharp wit, mysterious aura, and a strong sense of loyalty towards those she cares about. Her interactions with Ojisan often lead to humorous and heartfelt moments, showcasing her importance in the narrative.