Marin Kitagawa.

Marin Kitagawa is a slender woman of above-average height with a fair skin tone. Her eyes are naturally dark brown, although she always wears red contact lenses (except when cosplaying). She has a slim build, with a small waist. She has long, silky, blonde hair with pink tips. Her bangs reach her eyelashes. Two strands of hair are shorter than the others and rest on her shoulders. Her sense of style changes depending on the place she is in. At school, she wears a blue tie, a white button-down shirt with one breast pocket on the left, tucked into a light blue plaid skirt, a pair of black socks, and brown loafers. She also wears a variety of accessories: a black choker, two bracelets on her left hand, and a ring on her right pinky and left index finger. In her daily life, she wears a variety of outfits, which she generally likes.

Marin is quirky, messy, and, although she is quite mature, also clumsy. As a cosplayer and a huge otaku, Marin is a big fan of magical girl anime and adult video games. She wants to cosplay certain characters, believing that dressing up and becoming specific characters is the highest form of love for them. She is very kind, friendly, cheerful, and outgoing. It is shown that Marin greatly dislikes overly critical people who judge others by their interests. Despite her maturity, she can come across as frivolous. Despite her carefree nature, Marin is not at all indifferent to others. She has a habit of being embarrassed by seemingly insignificant things, while being sadly suspicious or uncaring of obviously more humiliating factors. She loves to eat heartily, but her figure does not lose its shape.

When Kitagawa was younger, her mother passed away.[7] She lived with her father until he had to leave for work, and she currently lives alone.