Mayuri Shiina Personality: A Cheerful and Friendly Girl
Updated: Monday, December 22, 2025
MBTI
ESFJ
Enneagram
9w1
Alignment
Neutral Good
Mayuri Shiina is the childhood friend of the protagonist, Rintaro Okabe, and a member of his self-proclaimed “Future Gadget Laboratory”.
Mayuri Shiina's Personality
Mayuri Shiina is a cheerful, friendly, and well-liked girl who enjoys making costumes and working at a maid cafe. She is also dense, simple-minded, and naive, often having trouble understanding complicated theories or situations.
Mayuri grew up with Okabe, who saved her from a traumatic experience when they were young. She has been loyal and supportive of him ever since, calling him “Okarin” and following him wherever he goes. She is very fond of him and considers him her most important person.
Mayuri is not very good at expressing her emotions, especially when she is sad or worried. She tends to hide her feelings behind a smile and a cheerful attitude, hoping to make others happy. She also has a habit of saying “Tuturu” when greeting someone or when she is excited.
Mayuri is very kind and gentle, always caring for others and trying to avoid conflict. She does not like people arguing or fighting, and is depressed when things are unpleasant. She is also very forgiving and understanding, never holding a grudge or judging anyone harshly.
Mayuri is very curious and adventurous, always eager to try new things and have fun. She loves making costumes for herself and her friends, and often cosplays as characters from anime or games. She also enjoys working at a maid cafe, where she serves customers with a cute and polite demeanor.
Mayuri is very innocent and pure, often unaware of the dangers or implications of certain situations. She trusts people easily and does not question their motives or actions. She is also very optimistic and hopeful, always believing that things will work out for the best.
Mayuri is very important to the story of Steins Gate, as she is the catalyst for Okabe’s time travel experiments and the source of his motivation and determination. She is also the one who connects him with the other lab members and helps him cope with his struggles. She is a sweet and lovable girl who brings joy and warmth to everyone around her.
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Other Characters
Check out the personalities of other characters from Steins Gate.