Mahiru Koizumi is the ultimate photographer. She's a sensible and optimistic girl who is generally rather calm and unafraid to speak her mind. She initially comes off as confident. Mahiru has high expectations of men and is quick to be abrasive towards them. She is much more tolerant and friendly to girls, but can be more open with time. Just be patient with her, she's kind. She wants to help as many people as she can, and is good at taking care of others.